The prophylaxis of cancer in ulcerative colitis.
D003092:Colitis; D003093:Colitis, Ulcerative / Q000150:complications*; D003110:Colonic Neoplasms; D006801:Humans; D009369:Neoplasms; D012004:Rectal Neoplasms; D012007:Rectum
COLITIS, ULCERATIVE/complications; COLON/neoplasms; RECTUM/neoplasms