Endoscopic treatment and management of rectal neuroendocrine tumors less than 10 mm in diameter

Figure 1 Cap-assisted endoscopic mucosal resection. A: A pale yellow mass with a diameter of about 9 mm in the rectum; B: Placement of an endoscope with a transparent cap worn at its front end into a crescent snare; C: Resection of the mass with the crescent snare after negative pressure suction; D: Wound surface after the removal of the mass; E: Wound clipping with titanium clips; F: The resected mass for pathological biopsy.