title: Precancerous conditions of the large bowel.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D003093:Colitis, Ulcerative / Q000150:complications; D003110:Colonic Neoplasms / Q000209:etiology*; D005260:Female; D006801:Humans; D007417:Intestinal Polyps / Q000150:complications / Q000235:genetics; D008297:Male; D008875:Middle Aged; D011230:Precancerous Conditions; D012004:Rectal Neoplasms / Q000209:etiology*