Role of endoscopy in the surveillance and management of colorectal neoplasia in inflammatory bowel disease

Table 3 Low, intermediate, and high risk features to risk stratify patients and guide surveillance intervals

Low risk	Intermediate risk	High risk
Quiescent disease, even with extensive colonic involvement; left sided IBD	Extensive colonic involvement with mild inflammation; post inflammatory polyps; CRC in 1st degree relative aged > 50	Extensive colitis with moderate/severe inflammation; primary sclerosing cholangitis; colonic strictures1; dysplasia of any grade1; CRC in 1st degree relative aged < 50

¹In particular if in the prior 5 years.