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AnalysisfortheRecurrenceoftheAnastomosisintheRetainedAnusRectalCarcinomaSurgicalOperationChouYangxing;LiWeixuan;GuWei（SurgicalDepartment，ShanghaiMunicipal4thPeople’sHospi－tal，200081）近年来随着吻合器技术的进步，中低位直肠癌保肛手术有了较大的发展。但
AnalysisfortheRecurrenceoftheAnastomosisintheRetainedAnusRectalCarcinomaSurgicalOperationChouYangxing;LiWeixuan;GuWei(SurgicalDepartment,ShanghaiMunicipal4thPeople’sHospi-tal,200081) In recent years, with the advancement of stapler technology, the anus-sparing surgery for middle and low rectal cancer has been greatly developed. but