Tracheal tumours.
D000230:Adenocarcinoma / Q000453:epidemiology; D000368:Aged; D002277:Carcinoma / Q000453:epidemiology; D002294:Carcinoma, Squamous Cell / Q000453:epidemiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D014134:Tracheal Neoplasms / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000453:epidemiology / Q000532:radiotherapy / Q000601:surgery