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Capsule endoscopy images. (A) Small bowel capsule endoscopy features of Crohn’s disease, such as ulcers, longitudinal ulcers, inflammatory polyps, and scars. (B) A colon capsule endoscopy image (a) consistent with the conventional colonoscopy image (b) of ulcerative colitis (photocopies from Hosoe N, et al. J. Gastroenterol. Hepatol. 2013, 28, 1174–1179, with permission from John Wiley and Sons [17]).
