Rectal biopsy as an aid to cancer control in ulcerative colitis.
D000293:Adolescent; D000328:Adult; D001706:Biopsy; D002908:Chronic Disease / Q000175:diagnosis; D003082:Colectomy; D003093:Colitis, Ulcerative / Q000150:complications / Q000473:pathology*; D003110:Colonic Neoplasms / Q000209:etiology / Q000517:prevention & control; D005260:Female; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D011230:Precancerous Conditions / Q000175:diagnosis*; D012007:Rectum / Q000473:pathology*; D012812:Sigmoidoscopy