Fig. 2From: Metachronous colorectal carcinoma with massive submucosal invasion detected by annual surveillance in a Lynch syndrome patient: a case report a Light standard colonoscopy. Colonoscopy revealed an elevated 2-cm diameter lesion located 70 cm from the anal verge in the transverse colon. b Narrow Band Imaging (NBI). The tumor showed an NBI C2/C3, CV Vit-H irregular imageBack to article page