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Lung cancer screening — USMLE Step 3 MCQ

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EasyAmbulatory Medicine / Primary CareLung cancer screeningUSMLE Step 3

A 55-year-old man smoked 1 pack daily for 30 years and quit 8 years ago. He has no symptoms and is healthy enough for lung surgery. 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: D — Annual low-dose CT of the chest

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 screening.

Reference: USPSTF current A/B recommendations; USMLE Step 3 Content Outline