title: Natural course of inoperable lung cancer.
mesh_terms: D000230:Adenocarcinoma / Q000401:mortality / Q000503:physiopathology*; D002294:Carcinoma, Squamous Cell / Q000401:mortality / Q000503:physiopathology*; D005500:Follow-Up Studies; D006801:Humans; D008175:Lung Neoplasms / Q000401:mortality / Q000503:physiopathology*; D011379:Prognosis; D013997:Time Factors