Abstract 13 . Abstract 14 . Muta H , Noguchi M, Perucho M, Ushio K, Sugihara K, Ochiai A, et al. Clinical implications of microsatellite instability in colorectal cancers. Abstract 15 .
Colonoscopic surveillance reduces mortality from colorectal cancer in ulcerative colitis.
Abstract 16 . Connell WR , Talbot IC, Harpaz N, Britto N, Wilkinson KH, Kamm MA, et al. Clinicopathological characteristics of colorectal carcinoma complicating ulcerative colitis. Abstract 17 . Factors affecting the outcome of endoscopic surveillance for cancer in ulcerative colitis.