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Breast cancer screening — USMLE Step 3 MCQ

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HardPreventive Medicine, Epidemiology, BiostatisticsBreast cancer screeningUSMLE Step 3

A 50-year-old woman has no breast symptoms, prior chest radiation, pathogenic breast-cancer variant, or first-degree relative with early breast cancer. Her previous mammogram was two years ago and was normal. Which plan is most appropriate?

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Correct answer: EOffer screening mammography every two years through age 74

For average-risk women aged 40 to 74, biennial screening mammography is recommended. MRI and ultrasound are not routine substitutes in this risk group, and a previous normal mammogram does not end screening.

Reference: USPSTF, Breast Cancer Screening: https://www.uspreventiveservicestaskforce.org/uspstf/recommendation/breast-cancer-screening