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Lung Cancer Screening
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Annual low-dose CT in heavy smokers age 50–80.
Decision
Outcome
Decision
Asymptomatic smoker. Screening test of choice?
✓
Low-dose chest CT annually
✗
Chest X-ray annually
✗
Sputum cytology
Decision
Who qualifies (current USPSTF 2021)?
✓
Age 50–80, ≥20 pack-years, currently smoking or quit within 15 years
✗
Age >80 with active major medical comorbidity
✗
Age 30, 5 pack-years
Outcome
Annual low-dose chest CT until age 80, ≥15 y since quitting, or life-expectancy-limiting illness
USPSTF updated 2021: age lowered to 50 and pack-years to 20 (was 55 and 30 in 2013).