Which endoscopic treatment is the best for small rectal carcinoid tumors?

Figure 3 Endoscopic mucosal resection using two-channel colonoscopy. A: An approximately 5 mm rectal carcinoid tumor; B: Injection of submucosal saline solution into the base of the lesion using needle forcep; C: Pulling the lesion with grasping forcep and snare resection; D: A clear, post-endoscopic mucosal resection ulcer.