fig5

Figure 5. Lesions involving the ileocecal valve: (A, B) a lesion located on the ileocecal valve extended to the terminal ileum; (C) incision of the mucosa and vascular network on the ileal side; (D) fat-rich submucosa; and (E, F) the ulcer bed and specimen after ESD. ESD: Endoscopic submucosal dissection.