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Doctors Clash Over New Breast Cancer Screening Age
8 May
Summary
- New guidance recommends mammograms starting at age 50 for average-risk women.
- Oncologists argue screening should begin at 40, citing earlier detection.
- Guidelines may disproportionately affect minority communities with younger diagnoses.

The American College of Physicians (ACP) recently issued new guidance suggesting that average-risk women begin routine mammograms at age 50, with screenings every two years. For women aged 40 to 49, the ACP recommends individualized discussions with clinicians rather than automatic screening. This guidance has faced strong opposition from breast oncologists who regularly treat patients. They contend that starting mammograms at age 40 is crucial for early detection, which leads to more manageable treatments and better survival rates. Several oncologists expressed concern that the new recommendations could lead women to delay or forgo screenings altogether. Some specialists highlighted that certain communities, such as Latina women, have a higher incidence of breast cancer diagnosed before age 50, and these new guidelines may inadequately address their needs. The ACP stated its guidance aims to clarify confusing recommendations by balancing benefits and harms, considering patient risk, values, and preferences. However, other major organizations, including the American College of Radiology, continue to recommend annual screening beginning at age 40.