Successful treatment of an enormous rectal mucosa-associated lymphoid tissue lymphoma by endoscopic full-thickness resection: A case report

Figure 1 Endoscopic features of the lesion. A: White light endoscopy discovered a huge volume of subepithelial tumor in the lower rectum; B: Uneven and hyperemic coverage of mucosa; C: Narrow-band imaging magnifying endoscopy showing the irregular branching vascular (arrow); D: Disappeared glandular structure (arrow), which is called tree-like appearance.