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。
Objective To investigate the value and safety of endoscopic mucosal resection in elderly patients with large sessile colorectal polyps.
探讨内镜黏膜切除术在胃食管癌前病变治疗中的应用价值，并就适应证和操作方法等问题进行讨论。
To evaluate the efficacy of endoscopic mucosal resection (EMR) for the treatment of precancerous lesions in stomach and esophagus, and to discuss its indications and procedures.
目的探讨内镜下黏膜切除术（EMR）对老年大肠扁平及广基肿瘤治疗的有效性及安全性。
To discuss endoscopic mucosal resection( EMR) to the usefulness and the safety of the elderly colonic applanation and extensive tumor treatment.
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