目的：探讨更加完善的治疗重度环肛混合痔的手术方法。
Objective:To explore more perfect operative methods in treatment of severe circumferential mixed hemorrhoid.
目的探讨吻合器痔上黏膜环切术（PPH）的相关技术及并发症防治。
Objective To explore the related techniques of procedure for prolapse and hemorrhoids (PPH) with stapler and the prevention and treatment of complications.
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