case_images: PMC6625969_01
case_images: Colonoscopy. One 1.5 cm sessile type polyp was discovered over cecum.
case_images: gr1.jpg
case_images: PMC6625969_01_gr1.jpg
case_images: fig0005
case_images: Under intravenous general anesthesia, colonoscopy revealed a 1.5-cm cecal polyp at the cecum (Fig. 1).
case_images: After polypectomy. Polypectomy was performed and bowel wall damage was noted.
case_images: gr2.jpg
case_images: PMC6625969_01_gr2.jpg
case_images: fig0010
case_images: We accordingly performed the polypectomy (Fig. 2); however, bowel wall damage occurred, and perforation was suspected.