title: Case reports: multiple primary bronchogenic carcinoma.
mesh_terms: D000368:Aged; D002283:Carcinoma, Bronchogenic / Q000473:pathology*; D018288:Carcinoma, Small Cell / Q000473:pathology*; D002294:Carcinoma, Squamous Cell / Q000473:pathology*; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary