Comparison of cancer-specific survival in patients with nonsmall cell lung cancer detected incidentally by computed tomography (CT) (n=41) or chest radiography (CR) (n=130) and in patients with symptomatic presentation (SYM) (n=334). Comparison of cancer-specific survival in patients with nonsmall cell lung cancer detected incidentally by computed tomography (CT) (n=41) or chest radiography (CR) (n=130) and in patients with symptomatic presentation (SYM) (n=334). Andri W. Orrason et al. ERJ Open Res 2017;3:00106-2016 ©2017 by European Respiratory Society