title: Primary carcinoma in lung associated with primary malignancies in other systems.
mesh_terms: D000328:Adult; D000368:Aged; D006801:Humans; D008175:Lung Neoplasms / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000453:epidemiology*