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直肠癌中低位直肠癌较多见,占全部直肠癌的70%~75%[1-2]。双吻合器的广泛应用使得低位直肠癌保肛手术成为可能。自1993年将全直肠系膜切除术(total mesorectal excision,TME)确定为治疗直肠癌的标准术式后,保留括约肌的低位前切除术逐渐增多,明显降低了直肠癌术后的局部复发率,大大提高了患者的生活质量,但吻合口瘘的发生率也
Low rectal cancer is more common in low rectal cancer, accounting for 70% to 75% of all rectal cancer [1-2]. The wide application of double staplers makes the anorectal surgery of low rectal cancer possible. Since 1993, the total mesorectal excision (total mesorectal excision, TME) to determine the standard surgical treatment of rectal cancer, the preservation of the sphincter of low anterior resection gradually increased, significantly reducing the local recurrence of rectal cancer after surgery, significantly Improve the quality of life of patients, but the incidence of anastomotic fistula also