Diagnosis of early bronchogenic carcinoma.
D001984:Bronchial Neoplasms / Q000175:diagnosis; D001999:Bronchoscopy; D002278:Carcinoma in Situ / Q000175:diagnosis; D002283:Carcinoma, Bronchogenic / Q000175:diagnosis*; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged