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Examples highlighting typical features of the Narrow-Band Imaging International Colorectal Endoscopic criteria: color (A), vessels (B), and surface pattern (C).
Reproduced with permission from Hewett DG, Kaltenbach T, Sano Y, et al. Validation of a simple classification system for endoscopic diagnosis of small colorectal polyps using narrow-band imaging. Gastroenterology. 2012;143(3):599-607.e1.
