title: [Double malignancies in the stomach and other organs--analysis with the person-years method].
mesh_terms: D000328:Adult; D000368:Aged; D003110:Colonic Neoplasms / Q000453:epidemiology* / Q000209:etiology; D005260:Female; D005743:Gastrectomy; D006801:Humans; D007564:Japan; D008113:Liver Neoplasms / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000453:epidemiology*; D011183:Postoperative Complications; D013274:Stomach Neoplasms / Q000453:epidemiology* / Q000601:surgery