Fig. 1From: Underwater endoscopic mucosal resection for rectal neuroendocrine tumors (with videos): a single center retrospective studyUMER in the treatment of rectal neuroendocrine tumors. A: EUS; B: the tumor was totally immersed in the water; C: the lesion was marked with an argon knife; D: the tumor was snared with a 15-mm snare loop and pressed down appropriately; E: electrical cutting and coagulation were performed; F: the wound; G: the resected tumor; H: the wound was closed with titanium clips; I: histopathology and basal marginBack to article page