Objective To discuss the feasibility and advantage of the use of titanium ring clamp and endoscopic electric coagulation therapy on large colorectal polyps.
目的：探讨金属钛夹结合内镜圈套电凝在内镜下切除大肠息肉的可行性和优点。
Objective To investigate the value and safety of endoscopic mucosal resection in elderly patients with large sessile colorectal polyps.
目的探讨内镜黏膜切除术对老年广基息肉病变的治疗价值及安全性。
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