方法：无蒂息肉采取逐渐切除的方法，有蒂息肉则横断切除蒂的方法。
Methods: Sessile polyps were removed piecemeal and pedunculated polyps transected at stalk.
结肠镜检查，在下边可见一个无蒂的息肉。
目的探讨安全有效地在内镜下摘除结、直肠扁平无蒂大息肉。
Objective to resect colorectal flat sessile polyps by endoscopic polypectomy safely and effectively.
目的探讨安全有效地在内镜下摘除结、直肠扁平无蒂大息肉。
Objective to resect colorectal flat sessile polyps by endoscopic polypectomy safely and effectively.
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