CT screening for lung cancer: Importance of emphysema for never smokers and smokers. Issue 1 (April 2015) - Henschke, Claudia I.
Highlights Lung cancer prevalence increased when emphysema was identified on low-dose CT scan. Never smokers with CT evidence of emphysema are at the same risk of lung cancer as a smoker. Prevalence of lung cancer was similar among smokers and never smokers below age 50.