Long-term follow-up, including cancer surveillance, for patients with ulcerative colitis.
D003093:Colitis, Ulcerative / Q000150:complications* / Q000473:pathology; D003106:Colon / Q000473:pathology; D003110:Colonic Neoplasms / Q000209:etiology* / Q000473:pathology; D005500:Follow-Up Studies; D006801:Humans; D011183:Postoperative Complications / Q000453:epidemiology; D013997:Time Factors