title: Importance of precise pathologic characterization of roentgenographically occult lung cancer.
mesh_terms: D000328:Adult; D002283:Carcinoma, Bronchogenic / Q000000981:diagnostic imaging / Q000473:pathology; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D009361:Neoplasm Invasiveness; D011859:Radiography; D012306:Risk