Archived Final Recommendation Statement
Breast Cancer: Screening
Originally published on: December 30, 2013
This recommendation statement is currently archived and inactive. It should be used for historical purposes only. Click here for copyright and source information .
Disclaimer:Recommendations made by the USPSTF are independent of the U.S. government. They should not be construed as an official position of the Agency for Healthcare Research and Quality or the U.S. Department of Health and Human Services.
Archived: Recommendation Summary
Summary of Recommendations
|Women, Age 50-74 Years|
The USPSTF recommends biennial screening mammography for women 50-74 years.
|Women, Before the Age of 50 Years|
The decision to start regular, biennial screening mammography before the age of 50 years should be an individual one and take patient context into account, including the patient's values regarding specific benefits and harms.
|Women, 75 Years and Older|
The USPSTF concludes that the current evidence is insufficient to assess the benefits and harms of screening mammography in women 75 years and older.
Go to the Clinical Considerations section for information on risk assessment and suggestions for practice regarding the I statement.
The USPSTF recommends against teaching breast self-examination (BSE).
|Women, 40 Years and Older|
The USPSTF concludes that the current evidence is insufficient to assess the additional benefits and harms of clinical breast examination (CBE) beyond screening mammography in women 40 years or older.
Go to the Clinical Considerations section for information on risk assessment and suggestions for practice regarding the I statement.
The USPSTF concludes that the current evidence is insufficient to assess the additional benefits and harms of either digital mammography or magnetic resonance imaging (MRI) instead of film mammography as screening modalities for breast cancer.
Go to the Clinical Considerations section for information on risk assessment and suggestions for practice regarding the I statement.
On December 4, 2009, the USPSTF unanimously voted to update the language of their recommendation regarding women under 50 years of age to clarify their original and continued intent.
Breast cancer is the second-leading cause of cancer death among women in the United States. Widespread use of screening, along with treatment advances in recent years, have been credited with significant reductions in breast cancer mortality.
Mammography, as well as physical examination of the breasts (CBE and BSE), can detect presymptomatic breast cancer. Because of its demonstrated effectiveness in randomized, controlled trials of screening, film mammography is the standard for detecting breast cancer; in 2002, the USPSTF found convincing evidence of its adequate sensitivity and specificity.
Benefits of Detection and Early Intervention
There is convincing evidence that screening with film mammography reduces breast cancer mortality, with a greater absolute reduction for women aged 50 to 74 years than for women aged 40 to 49 years. The strongest evidence for the greatest benefit is among women aged 60 to 69 years.
Among women 75 years or older, evidence of benefits of mammography is lacking.
Adequate evidence suggests that teaching BSE does not reduce breast cancer mortality.
The evidence for additional effects of CBE beyond mammography on breast cancer mortality is inadequate.
The evidence for benefits of digital mammography and MRI of the breast, as a substitute for film mammography, is also lacking.
Harms of Detection and Early Intervention
The harms resulting from screening for breast cancer include psychological harms, unnecessary imaging tests and biopsies in women without cancer, and inconvenience due to false-positive screening results. Furthermore, one must also consider the harms associated with treatment of cancer that would not become clinically apparent during a woman's lifetime (overdiagnosis), as well as the harms of unnecessary earlier treatment of breast cancer that would have become clinically apparent but would not have shortened a woman's life. Radiation exposure (from radiologic tests), although a minor concern, is also a consideration.
Adequate evidence suggests that the overall harms associated with mammography are moderate for every age group considered, although the main components of the harms shift over time. Although false-positive test results, overdiagnosis, and unnecessary earlier treatment are problems for all age groups, false-positive results are more common for women aged 40 to 49 years, whereas overdiagnosis is a greater concern for women in the older age groups.
There is adequate evidence that teaching BSE is associated with harms that are at least small. There is inadequate evidence concerning harms of CBE.
The USPSTF has reached the following conclusions:
For biennial screening mammography in women aged 40 to 49 years, there is moderate certainty that the net benefit is small. Although the USPSTF recognizes that the benefit of screening seems equivalent for women aged 40 to 49 years and 50 to 59 years, the incidence of breast cancer and the consequences differ. The USPSTF emphasizes the adverse consequences for most women—who will not develop breast cancer—and therefore use the number needed to screen to save 1 life as its metric. By this metric, the USPSTF concludes that there is moderate evidence that the net benefit is small for women aged 40 to 49 years.
For biennial screening mammography in women aged 50 to 74 years, there is moderate certainty that the net benefit is moderate.
For screening mammography in women 75 years or older, evidence is lacking and the balance of benefits and harms cannot be determined.
For the teaching of BSE, there is moderate certainty that the harms outweigh the benefits.
For CBE as a supplement to mammography, evidence is lacking and the balance of benefits and harms cannot be determined.
For digital mammography and MRI as a replacement for mammography, the evidence is lacking and the balance of benefits and harms cannot be determined.
Archived: Clinical Considerations
Patient Population Under Consideration
This recommendation statement applies to women 40 years or older who are not at increased risk for breast cancer by virtue of a known underlying genetic mutation or a history of chest radiation.
Assessment of Risk
Increasing age is the most important risk factor for breast cancer for most women. Women without known deleterious genetic mutations (such as BRCA1 or BRCA2) may still have other demographic, physical, or historical risk factors for breast cancer, but none conveys a clinically important absolute increased risk for cancer.
In recent decades, the early detection of breast cancer has been accomplished by physical examination by a clinician (CBE), by a woman herself (BSE), or by mammography. Standardization of mammography practices enacted by the Mammography Quality Standards Act have led to improved mammography quality. Clinicians should refer patients to Mammography Quality Standards Act-certified facilities, a listing of which is available at https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfMQSA/mqsa.cfm.
In trials that demonstrated the effectiveness of mammography in decreasing breast cancer mortality, screening was performed every 12 to 33 months. The evidence reviewed by the USPSTF indicates that a large proportion of the benefit of screening mammography is maintained by biennial screening, and changing from annual to biennial screening is likely to reduce the harms of mammography screening by nearly half. At the same time, benefit may be reduced when extending the interval beyond 24 months; therefore the USPSTF recommends biennial screening.
Effective treatments, including radiation, chemotherapy (including hormonal treatment), and surgery, are available for invasive carcinoma. Although the standard treatments women receive for ductal carcinoma in situ (DCIS) include surgical approaches as well as radiation and hormonal therapy, considerable debate exists about the optimal treatment strategy for this condition.
Considerations for Practice Regarding I Statements
Clinical Breast Examination
Potential Preventable Burden. The evidence for CBE, although indirect, suggests that CBE may detect a substantial proportion of cases of cancer if it is the only screening test available. In parts of the world where mammography is infeasible or unavailable (such as India), CBE is being investigated in this way.
Potential Harms. The potential harms of CBE are thought to be small but include false-positive test results, which lead to anxiety and breast cancer worry, as well as repeated visits and unwarranted imaging and biopsies.
Costs. The principal cost of CBE is the opportunity cost incurred by clinicians in the patient encounter.
Current Practice. Surveys suggest 1 that the CBE technique used in the United States currently lacks a standard approach and reporting standards. Clinicians who are committed to spending the time on CBE would benefit their patients by considering the evidence in favor of a structured, standardized examination 2.
Potential Preventable Burden. Digital mammography detects some cases of cancer not identified by film mammography; film mammography detects some cases of cancer not identified by digital mammography. Overall detection is similar for many women. For women who are younger than 50 years or have dense breast tissue, overall detection is somewhat higher with digital mammography. It is not clear whether this additional detection would lead to reduced mortality from breast cancer.
Potential Harms. The possibility of false-positive test results is similar for film and digital mammography. It is uncertain whether overdiagnosis occurs more with digital mammography than with film mammography.
Costs. Digital mammography is more expensive than film mammography.
Current Practice. Some clinical practices are now switching their mammography equipment from film to digital. This may curtail the availability of film mammography in some areas.
Magnetic Resonance Imaging
Potential Preventable Burden. Studies of the use of contrast-enhanced MRI for breast cancer screening have been conducted only in very high-risk populations. In these studies, MRI detected more cases of cancer than did mammography. It is unknown whether detecting these additional cases of cancer would lead to reduced breast cancer mortality.
Potential Harms. Contrast-enhanced MRI requires the injection of contrast material. Studies of MRI screening have shown that MRI yields many more false-positive results than does mammography. Magnetic resonance imaging has the potential to be associated with a greater degree of overdiagnosis than mammography.
Costs. Magnetic resonance imaging is much more expensive than either film or digital mammography.
Current Practice. Magnetic resonance imaging is not currently used for screening women at average risk for breast cancer.
Screening Mammography in Women 75 Years or Older
Potential Preventable Burden. No women 75 years or older have been included in the multiple randomized clinical trials of breast cancer screening. Breast cancer is a leading cause of death in older women, which might suggest that the benefits of screening could be important at this age. However, 3 facts suggest that benefits from screening would probably be smaller for this age group than for women aged 60 to 69 years and probably decrease with increasing age: 1) the benefits of screening occur only several years after the actual screening test, whereas the percentage of women who survive long enough to benefit decreases with age; 2) a higher percentage of the type of breast cancer detected in this age group is the more easily treated estrogen receptor-positive type; and 3) women of this age are at much greater risk for dying of other conditions that would not be affected by breast cancer screening.
Potential Harms. Screening detects not only cancer that could lead to a woman's death but also cancer that will not shorten a woman's life. Women cannot benefit from—but can be harmed by—the discovery and treatment of this second type of cancer, which includes both cancer that might some day become clinically apparent and cancer that never will. Detection of cancer that would never have become clinically apparent is called overdiagnosis, and it is usually followed by overtreatment. Because of a shortened life span among women 75 years or older, the probability of overdiagnosis and unnecessary earlier treatment increases dramatically after about age 70 or 75 years. Overdiagnosis and unnecessary earlier treatment are important potential harms from screening women in this age group.
Current Practice. Studies show that many women 75 years or older are currently being screened.
Other USPSTF recommendations on screening for genetic susceptibility for breast cancer and chemoprevention of breast cancer are available on the Agency for Healthcare Research and Quality Web site (https://www.uspreventiveservicestaskforce.org).
Archived: Other Considerations
The Task Force on Community Preventive Services has reviewed the evidence on methods to increase breast cancer screening, including reminder systems and other interventions 3-5.
Explanation of Change in Recommendation
The 2002 USPSTF issued a B recommendation for screening mammography for women 40 years or older. However, it went on to say:
The precise age at which the benefits from screening mammography justify the potential harms is a subjective judgment and should take into account patient preferences. Clinicians should inform women about the potential benefits (reduced chance of dying from breast cancer), potential harms (for example, false-positive results, unnecessary biopsies), and limitations of the test that apply to women their age. Clinicians should tell women that the balance of benefits and potential harms of mammography improves with increasing age for women between the ages of 40 and 70 6.
The updated USPSTF recommendation endorses this approach to deciding when to start screening. However, the current USPSTF is now further informed by a new systematic review 7, which incorporates a new randomized, controlled trial that estimates the "number needed to invite for screening to extend one woman's life" as 1904 for women aged 40 to 49 years and 1339 for women aged 50 to 59 years. Although the relative risk reduction is nearly identical (15% and 14%) for these 2 age groups, the risk for breast cancer increases steeply with age starting at age 40 years. Thus, the absolute risk reduction from screening (as shown by the number needed to invite to screen) is greater for women aged 50 to 59 years than for those aged 40 to 49 years.
The current USPSTF statement is also informed by the Cancer Intervention and Surveillance Modeling Network (CISNET) modeling studies 8 that accompany this recommendation. The Task Force considered both "mortality" and "life-years gained" outcomes. In this case, given that the age groups (40 to 49 years and 50 to 59 years) are adjacent, the Task Force elected to emphasize the mortality outcomes from the modeling studies. Of the 8 screening strategies found most efficient, 6 start at age 50 years rather than age 40 years. The frontier curves for the mortality outcome show only small gains but larger numbers of mammograms required when screening is started at age 40 years versus age 50 years.
In conclusion, the USPSTF reasoned that the additional benefit gained by starting screening at age 40 years rather than at age 50 years is small, and that moderate harms from screening remain at any age. This leads to the C recommendation. The USPSTF notes that a "C" grade is a recommendation against routine screening of women aged 40 to 49 years. The Task Force encourages individualized, informed decision making about when to start mammography screening.
Archived: Research Needs and Gaps
A series of randomized clinical trials that would compare the results of stopping breast cancer screening at different ages (by first comparing stopping screening at age 75 years with continued screening, and then further comparing stopping screening at earlier ages, depending on the results of the first study) would be ethical and informative.
Extended follow-up of this type of study might also provide useful information about overdiagnosis in this age group. In general, more studies of overdiagnosis, including comparisons of lifetime breast cancer incidence among similar screened and unscreened women, would be helpful. Studies on overdiagnosis might also include long-term follow-up of women with probable missed cases of DCIS on the basis of microcalcifications that were missed in an earlier mammogram. Such studies could provide the percentage of these women who develop invasive breast cancer over the next 10 or more years.
Randomized clinical trials of film versus digital mammography among women with dense breast tissue, with sufficient follow-up to detect stage shifts (reductions of late-stage cancer) or decreases in clinical interval cases, would also be ethical and helpful.
Better understanding of certain facets of tumor biology is needed, particularly how age, race, breast density, and other factors may predispose certain women toward tumors with faster growth rates and greater lethality. This would improve the ability to determine at diagnosis which patients can be treated minimally.
Burden of Disease
Breast cancer is the most frequently diagnosed cancer in women in the United States, not including skin cancer, and is second only to lung cancer as a cause of cancer deaths. In 2008, an estimated 182,460 cases of invasive cancer and 67,770 cases of in situ breast cancer were diagnosed and 40,480 breast cancer deaths occurred 9. The National Cancer Institute, on the basis of Surveillance Epidemiology and End Result data, estimates the lifetime risk for a woman to develop breast cancer at 12% 10. The risk for breast cancer increases with age. The 10-year risk for breast cancer is 1 in 69 for a woman at age 40 years, 1 in 42 at age 50 years, and 1 in 29 at age 60 years 11. The incidence rate of breast cancer has increased since the 1970s; however, recent data show that this rate seems to be decreasing, both overall and on an age-adjusted basis. The incidence rate in 2003 was 124.2 per 100,000 women, a 6.7% decrease from the previous year 12. Discontinuation of hormone replacement therapy may be largely responsible for this observed decrease 12, 13, although slowed growth or even a decline in screening mammography also may have contributed 14. Breast cancer mortality has been decreasing since 1990 by 2.3% per year overall and by 3.3% for women aged 40 to 50 years. This decrease is largely attributed to the combination of mammography screening with improved treatment 15.
Scope of Review
The systematic evidence review undertaken in support of this recommendation 7 addressed the efficacy of 5 breast cancer screening methods for reducing breast cancer mortality—film mammography, CBE, BSE, digital mammography, and MRI—by using published reports of randomized, controlled screening trials and specifically updated information from mammography trials among women in the age groups of 40 to 49 years and 70 years or older. Information on harms of breast cancer screening, such as false-positive test results, pain, anxiety, and biopsy rates, were sought from multiple sources, including systematic reviews, meta-analyses, and recently published literature. To assess the follow-up testing and other outcomes of a mammography screening program, the reviewers included data from the Breast Cancer Surveillance Consortium from 2000 to 2005.
In addition to the systematic review of screening tests, the USPSTF requested a report from the CISNET Breast Cancer Modeling Group to provide data from comparative decision models on optimal starting and stopping ages and intervals for screening mammography 8.
Accuracy of Screening Tests
Mammography, CBE, and BSE are recognized approaches for breast cancer screening. Since the 2002 USPSTF recommendation statement, digital (as opposed to film-based) mammography has been increasingly used, and MRI is being used with greater frequency for screening women at increased risk for breast cancer. The sensitivity of mammography screening is 77% to 95%, whereas specificity is 94% to 97% 16. Multiple factors, including age, time since last examination, breast tissue density, equipment, and the skill of the interpreting radiologist can affect sensitivity and specificity 17. A single, large comparison study of film and digital mammography 18 demonstrated similar diagnostic accuracy for the 2 methods, although digital mammography was better at detecting lesions in women who were younger than 50 years or premenopausal or had radiographically dense breasts. Studies of MRI in high-risk women without cancer 19 showed that MRI has a sensitivity of 71% to 100% and a specificity of 81% to 97%; MRI is therefore recommended by the American Cancer Society for women at high risk for breast cancer. However, no studies have been done on using MRI to screen women at average risk.
Clinical breast examination has a sensitivity of 40% to 69% and a specificity in the range of 88% to 99%. For BSE, sensitivity ranges from 12% to 41%, lower than that of CBE and mammography, and is age-dependent 16.
Effectiveness of Early Detection
The newly updated meta-analysis by Nelson and colleagues 7 confirms an earlier finding 16 that screening mammography reduces mortality. Improvements in the relative risk (RR) for death due to breast cancer for women aged 39 to 49 years and 50 to 59 years are similar at 0.85 (95% CI, 0.75 to 0.96) and 0.86 (CI, 0.75 to 0.99), respectively. An even greater improvement was found for women aged 60 to 69 years (RR, 0.68 [CI, 0.54 to 0.87]). Results were uncertain for older women, with a new report from a previously included trial with longer follow-up data showing an RR of 1.12 (CI, 0.73 to 1.72) for breast cancer death associated with screening women aged 70 to 74 years (based on a small number of participants). At the time of the previous meta-analysis, data from 2 trials showed an RR of 0.78 (CI, 0.62 to 0.99) for breast cancer death in screened women aged 65 to 74 years 16. Mortality reduction and life-years gained 8 were both considered important outcomes of screening in forming this recommendation; in the end, mortality reduction as observed in trials was the metric chosen to express the benefits of screening in each age group. Digital mammography has been shown to perform similarly to film mammography, although it has never been studied in relation to health outcomes. Magnetic resonance imaging has not been evaluated for its potential benefit in screening average-risk women. Clinical breast examination is inexpensive and easy to perform; however, few studies have compared the effectiveness of CBE with that of no screening and none has examined CBE and mammography versus mammography alone. Two large trials of teaching BSE outside the United States 7 demonstrated no mortality benefit in the intervention groups.
Potential Harms of Screening
False-positive results are common with mammography and can cause anxiety and lead to additional imaging studies and invasive procedures (such as biopsy or fine-needle aspiration). False-positive results and accompanying additional imaging studies are more common in younger women. Biopsies may occur as a consequence of false-positive mammography results; biopsy rates are more common among older women. Anxiety, distress, and other psychosocial effects can exist with abnormal mammography results but fortunately are usually transient, and some research suggests that these effects are not a barrier to screening. False-negative results occur at a relatively low rate for all ages, but are slightly higher in women older than 70 years. Other potential harms, such as pain caused by the procedure, exist but are thought to have little effect on mammography use.
Overdiagnosis can occur when screening detects early-stage invasive breast cancer or DCIS in a woman, typically older, who is likely to die from another cause before the breast cancer would be clinically detected. Overdiagnosis can also occur in younger women if a detected DCIS or other early-stage lesion never progresses to invasive cancer. Methods for estimating overdiagnosis at a population level are not well established, and thus the proportion of all detected DCIS lesions that constitute overdiagnosis is uncertain 7. Similarly, unnecessary earlier treatment can occur at any age when screening detects a slower-growing cancer that would have eventually become clinically apparent but would never have caused death.
Radiation exposure may increase the risk for breast cancer, but usually only at much higher doses than those used in mammography, although regular mammography could contribute to cumulative radiation doses from additional imaging for other reasons 7.
Digital Mammography and Magnetic Resonance Imaging
Digital mammography can be expected to have harms similar to those of film mammography. No studies have evaluated MRI screening of average-risk women; in theory, because MRI could be considerably less specific than mammography screening, it could potentially be associated with higher biopsy rates and greater degrees of overdiagnosis if used in low-risk populations.
Clinical Breast Examination
A theoretical harm of CBE is that its lower specificity than that of mammography may result in more women undergoing biopsy. Few data are available to evaluate harms associated with CBE.
One study indicated that anxiety was not a concern with BSE. The 2 available trials 20, 21 indicated that more additional imaging procedures and biopsies were done for women who performed BSE than for control participants.
Estimate of Magnitude of Net Benefit
In 2002, the USPSTF concluded that there was fair evidence that mammography screening every 12 to 33 months could significantly reduce breast cancer mortality. The evidence was strongest for women aged 50 to 69 years, with weaker evidence supporting mammography screening for women aged 40 to 49 years. Since that recommendation, 1 new trial and updated data from an older study have been published that specifically address screening in women in the younger age group. These findings were combined in an updated meta-analysis, which resulted in an RR for breast cancer death of 0.85 (CI, 0.75 to 0.96; 8 trials) and a number needed to invite for screening of 1904 (CI, 929 to 6378) to prevent 1 breast cancer death in women aged 39 to 49 years. A meta-analysis of 6 trials among women aged 50 to 59 years and 2 trials among women aged 60 to 69 years provided pooled RRs for breast cancer death in the screened group of 0.86 (CI, 0.75 to 0.99; number needed to invite, 1339 [CI, 322 to 7455]) and 0.68 (CI, 0.54 to 0.87; number needed to invite, 377 [CI, 230 to 1050]), respectively. Only 1 study provided data on women older than 70 years, yielding an RR of 1.12 (CI, 0.73 to 1.72), although an RR of 0.78 (CI, 0.62 to 0.99) was found for women aged 65 to 74 years by combining the results of 2 studies used in the 2002 review.
A decision analysis performed for the USPSTF projected that biennial screening produced 70% to 99% of the benefit of annual screening, with a significant reduction in the number of mammograms required and therefore a decreased risk for harms. Screening between the ages of 50 and 69 years produced a projected 17% (range, 15% to 23%) reduction in mortality (compared with no screening), whereas extending the age range produced only minor improvements (additional 3% reduction from starting at age 40 years and 7% from extending to age 79 years) 8.
The USPSTF noted with moderate certainty that the net benefits of screening mammography in women aged 50 to 74 years were at least moderate, and that the greatest benefits were seen in women aged 60 to 69 years. For women aged 40 to 49 years, the USPSTF had moderate certainty that the net benefits were small. Because of the uncertainties related to harms of screening, particularly overdiagnosis, and the near total lack of trial data for older women, the USPSTF had low certainty about the net benefits of screening mammography for women 75 years or older.
How Does Evidence Fit With Biological Understanding?
Current knowledge about the development of breast cancer is limited. The effectiveness of screening mammography seen in trials presumably results from the early detection of smaller, earlier-stage tumors, which are more responsive to available treatments. Although the most common breast cancer occurs in the epithelial cells that line the duct system of the gland (ductal carcinoma), the sequence of development of invasive cancer is not entirely known. For example, DCIS does not always represent a precursor to invasive ductal cancer. Studies of women with untreated DCIS showed progression to invasive disease in half or fewer of the cases. Because DCIS is often found only by mammography, its incidence has increased steadily since the advent of widespread screening mammography. In 1983, 4900 cases of DCIS were diagnosed; by 2008, that number was expected to be 67,770 22. Because the likelihood that DCIS will progress to invasive cancer is unknown, surgical removal—with or without adjuvant treatment—may represent overdiagnosis or overtreatment. Lobular carcinoma in situ, in contrast, is not considered a true precursor lesion but connotes a higher risk for subsequent invasive lobular or ductal cancer in either breast. Lobular carcinoma in situ is often multifocal, appearing in several distinct locations. Knowledge of what determines the rapidity with which invasive cancer can spread (tumor characteristics, host factors, hormonal triggers) is limited 23. Because of these elements of biological uncertainty, it is clear that lesion sensitivity alone is not a sufficient metric for assessing effectiveness of new screening methods 24.
Archived: Update of Previous USPSTF Recommendation
This recommendation updates the 2002 recommendation by providing specific recommendations for mammography screening by age. The previous recommendation statement recommended screening mammography every 1 to 2 years for all women older than 40 years. The USPSTF now recommends against routine screening of women aged 40 to 49 years (C recommendation), recommends biennial screening mammography for all women aged 50 to 74 years (B recommendation), and provides an I statement regarding screening of women older than 75 years. The USPSTF now recommends against teaching BSE (D recommendation), replacing the previous statement of insufficient evidence. The evidence for CBE continues to be assessed as insufficient. Digital mammography and MRI as screening tools were not addressed in the 2002 recommendation statement; the USPSTF concludes that the evidence is insufficient to assess the harms or benefits of these methods for screening.
Archived: Recommendations of Others
Numerous organizations have provided breast cancer screening recommendations. These recommendations are summarized below. All recommendations are for women not at increased risk for breast cancer.
In 2003, the American Cancer Society recommended annual mammography beginning at age 40 years, annual CBE after the age of 40 years 25. It does not recommend MRI for women at average risk for breast cancer and states that there is insufficient evidence to recommend BSE.
The American Medical Association, in 2002 26, and the National Comprehensive Cancer Network, in 2009 27, have made recommendations similar to those of the American Cancer Society, except for the inclusion of a positive recommendation for BSE.
The American Academy of Family Physicians has endorsed the USPSTF recommendation on breast cancer screening in the past 28. The American College of Physicians recommended in 2007 that screening mammography decisions in women aged 40 to 49 years should be based on individualized assessment of risk for breast cancer; that clinicians should inform women aged 40 to 49 years about the potential benefits and harms of screening mammography; and that clinicians should base screening mammography decisions on benefits and harms of screening, as well as on a woman's preferences and breast cancer risk profile 29.
In 2001, the Canadian Task Force on Preventive Health Care recommended mammography every 1 to 2 years beginning at the age of 40 years and recommended CBE as part of a periodic evaluation (every 1 to 3 years) for women aged 50 to 69 years 30. It does not recommend BSE.
In 2003, the American College of Obstetrics and Gynecology recommended mammography every 1 to 2 years for women aged 40 to 49 years and annually after the age of 50 years 31. It recommended CBE for all women and noted that BSE can be recommended.
In 2009, the World Health Organization recommended mammography every 1 to 2 years for women aged 50 to 69 years, but does not recommend CBE or BSE 32.
Archived: Members of the U.S. Preventive Services Task Force
Members of the U.S. Preventive Services Task Force* are Ned Calonge, MD, MPH, Chair (Colorado Department of Public Health and Environment, Denver, Colorado); Diana B. Petitti, MD, MPH, Vice-Chair (Arizona State University, Phoenix, Arizona); Thomas G. DeWitt, MD (Children's Hospital Medical Center, Cincinnati, Ohio); Allen J. Dietrich, MD (Dartmouth Medical School, Hanover, New Hampshire); Kimberly D. Gregory, MD, MPH (Cedars-Sinai Medical Center, Los Angeles, California); David Grossman, MD (Group Health Cooperative, Seattle, Washington); George Isham, MD, MS (HealthPartners, Minneapolis, Minnesota); Michael L. LeFevre, MD, MSPH (University of Missouri School of Medicine, Columbia, Missouri); Rosanne M. Leipzig, MD, PhD (Mount Sinai School of Medicine, New York, New York); Lucy N. Marion, PhD, RN (School of Nursing, Medical College of Georgia, Augusta, Georgia); Bernadette Melnyk, PhD, RN (Arizona State University College of Nursing & Health Innovation, Phoenix, Arizona); Virginia A. Moyer, MD, MPH (Baylor College of Medicine, Houston, Texas); Judith K. Ockene, PhD (University of Massachusetts Medical School, Worcester, Massachusetts); George F. Sawaya, MD (University of California, San Francisco, San Francisco, California); J. Sanford Schwartz, MD (University of Pennsylvania Medical School and the Wharton School, Philadelphia, Pennsylvania); and Timothy Wilt, MD, MPH (University of Minnesota Department of Medicine and Minneapolis Veterans Affairs Medical Center, Minneapolis, Minnesota).
*Members of the Task Force at the time this recommendation was finalized. For a list of current Task Force members, go to http://www.uspreventiveservicestaskforce.org/Page/Name/about-the-uspstf.
Disclaimer: Recommendations made by the USPSTF are independent of the U.S. government. They should not be construed as an official position of the Agency for Healthcare Research and Quality or the U.S. Department of Health and Human Services.
Archived: Copyright and Source Information
This document is in the public domain within the United States.
Requests for linking or to incorporate content in electronic resources should be sent via the USPSTF contact form.
Source: U.S. Preventive Services Task Force. Screening for breast cancer: U.S. Preventive Services Task Force Recommendation Statement. Ann Intern Med 2009;151:716-726.
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- Baron RC, Rimer BK, Breslow RA, Coates RJ, Kerner J, Melillo S, et al; Task Force on Community Preventive Services. Client-directed interventions to increase community demand for breast, cervical, and colorectal cancer screening a systematic review. Am J Prev Med 2008;35:S34-55. [PMID: 18541187]
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- Nelson HD, Tyne K, Naik A, Bougatsos C, Chan BK, Humphrey L. Screening for breast cancer: an update for the U.S. Preventive Services Task Force. Ann Intern Med 2009;151:727-37.
- Mandelblatt JS, Cronin KA, Bailey S, Berry DA, de Koning HJ, Draisma G, et al. Effects of mammography screening under different screening schedules: model estimates of potential benefits and harms. Ann Intern Med 2009;151:738-47.
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