This particular lung cancer is a known, specific mutation and is unrelated to smoking. https://en.wikipedia.org/wiki/ALK_positive_lung_cancer#Epidemiology http

This particular lung cancer is a known, specific mutation and is unrelated to smoking. https://en.wikipedia.org/wiki/ALK_positive_lung_cancer#Epidemiology https://en.wikipedia.org/wiki/ALK_positive_lung_cancer#Epide...