title: Metachronous colorectal polyps: comparison of development of colorectal polyps and carcinomas in persons with and without histories of polyps.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D003110:Colonic Neoplasms / Q000000981:diagnostic imaging / Q000453:epidemiology*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007417:Intestinal Polyps / Q000000981:diagnostic imaging / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000000981:diagnostic imaging / Q000453:epidemiology*; D011859:Radiography; D012004:Rectal Neoplasms / Q000000981:diagnostic imaging / Q000453:epidemiology; D012737:Sex Factors; D012811:Sigmoid Neoplasms / Q000000981:diagnostic imaging / Q000453:epidemiology; D013548:Sweden