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MediumUSPSTF: screen annually ages 50-80 with ≥20 pack‑years who currently smoke or quit within 15 years; discontinue after 15 years quitLung Cancer ScreeningUSPSTF recommendation (2021): lung cancer screening

A 50-year-old woman has a 20 pack‑year smoking history and quit 5 years ago. She meets LDCT screening criteria. She asks when to stop. Guidance?

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