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Breast cancer screening — USMLE Step 3 MCQ

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EasyAmbulatory Medicine / Primary CareBreast cancer screeningUSMLE Step 3

A 41-year-old woman comes for a wellness visit. She has no breast symptoms, no prior chest irradiation, and no known pathogenic BRCA variant. Her mother had breast cancer at age 72 years. She asks when routine mammography should begin. Which of the following is the most appropriate screening recommendation?

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Correct answer: D — Recommend biennial mammography beginning now

USPSTF recommends biennial mammography from age 40 through 74 years for women at average risk.

Reference: USPSTF Breast Cancer Screening, 2024