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Lung cancer screening — USMLE Step 3 MCQ

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ModeratePreventive Medicine, Epidemiology, BiostatisticsLung cancer screeningUSMLE Step 3

A 62-year-old man asks about lung cancer screening. He smoked 1 pack daily for 32 years and quit 7 years ago. He has no cough, weight loss, or hemoptysis. Which of the following is the most appropriate screening recommendation?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: C — Annual low-dose chest CT

Adults aged 50 to 80 years with a 20 pack-year history who currently smoke or quit within 15 years should receive annual low-dose CT.

Reference: USPSTF A and B Recommendations, current online summary