结论低位直肠癌全直肠系膜切除能降低局部复发，而双吻合器的应用能提高低位直肠癌的保肛率。
ConclusionTME can decrease the rates of local recurrence in low rectal carcinoma, and the double stapling technique can increase the probability of anus reservation.
术前MRI分期联合腹腔镜tme术能更好地控制切缘，但保肛率无明显差异，有待样本量增多后继续观察。
Combining preoperative MRI staging with laparoscopic TME has better cutting edge control, but there isn't difference about anus keeping rate, therefore we need to observe more samples.
双吻合器应用于直肠癌前切除术中的结直肠吻合具有操作简单，节约手术时间和安全等优点，并可适当提高低位直肠癌保肛率。
The double stapling technique is safe, and easily performed for colorectal anastomosis in deep pelvis, and it can enhance the rate of anal-saving operation in low rectal carcinoma.
术前放疗在直肠癌综合治疗中的目标是提高局部控制率，增加保肛的几率，提高生存率及生活质量。
The aim of preoperative radiotherapy for rectal cancer is to improve the local control rate, increase the possibility for sphincter preservation, and improve the survival and the quality of life.
保肛手术中分别应用手工闭合直肠远端与直线缝合器闭合直肠远端两组的手术时间、出血量、吻合口漏发生率、切口感染率、切缘癌残留率、平均住院费用。
The duration of operation, the amount of bleeding, the rate of anastomotic leakage, infection of incisional wound, residual margin, and cost of hospitalization were compared between the two groups.
保肛手术中分别应用手工闭合直肠远端与直线缝合器闭合直肠远端两组的手术时间、出血量、吻合口漏发生率、切口感染率、切缘癌残留率、平均住院费用。
The duration of operation, the amount of bleeding, the rate of anastomotic leakage, infection of incisional wound, residual margin, and cost of hospitalization were compared between the two groups.
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