title: Multiple primary bronchogenic carcinomas.
mesh_terms: D000368:Aged; D002283:Carcinoma, Bronchogenic / Q000175:diagnosis*; D018288:Carcinoma, Small Cell / Q000175:diagnosis; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000175:diagnosis*; D011379:Prognosis