title: Possibilities of early diagnosis of bronchogenic carcinoma.
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology; D000368:Aged; D002278:Carcinoma in Situ / Q000473:pathology; D002283:Carcinoma, Bronchogenic / Q000175:diagnosis* / Q000473:pathology; D003581:Cytodiagnosis; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis* / Q000473:pathology; D008297:Male; D008875:Middle Aged; D013997:Time Factors