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低位直肠癌是指肿瘤下缘距肛缘 7cm以下或位于直肠下 1 /3段的直肠癌。随着对直肠癌转移规律的认识和吻合技术、吻合器械等的发展,保留肛门括约肌的根治术 (简称保肛根治术 )在低位直肠癌的手术中所占比例已高达80%,成为主流术式。1 低位直肠癌保肛根治术的理论基础对低位
Low rectal cancer refers to the lower edge of the tumor from the anal margin of 7cm below or in the rectal 1/3 of the rectal cancer. With the understanding of the rule of metastasis of colorectal cancer and anastomosis techniques, such as the development of anastomotic devices, the preservation of anal sphincter radical mastectomy (referred to as radical mastectomy) surgery in the low rectal cancer as high as 80% of the proportion of surgery has become the mainstream formula. 1 low rectal cancer anorectal radical mastectomy theoretical basis for the low