3Yamazaki T, Takii Y, Okamoto H, et al. What is the risk factor for metachronous colorectal carcinoma[J]. Dis Colon Rectum, 1997,40(8) :935 - 938.
4Chen HS, Sheen Chen SM. Synchronous and "early" metachronous colorectal adenocarcinoma:analysis of prognosis and current trends[J]. Dis Colon Rectum,2000,43 : 1093 - 1099.
2Nagtegaal ID,Marijnen CAM,Kranenbarg EK ,et al.Circumferential margin involvement is stillan important predictor of local recurrence in rectal cancer.Not one millimeter but two millimeters is the limit[J].J Pathol,2002,197(1):20-27.
3Heald RJ, Husband EM, Ryall RDH . The mesorectum in rectal cancer surgery the clue to pelvic recurrence[J].Br J Surg,1982,69(10):613-616.
4Heald RJ,Smedh RK,Kald R,et al .Abdomeinoperineal excision of the rectum -an endangered operation[J].Dis Colon Rectum,1997,40(7):747-751.
5Hallbook O, Sjodahl R. Conparison between the colonic J pouch-anal anastomosis and health rectum :clinical and physiological function[J].Br J Surg,1997.84(10):1437-1443.
7Williams NS. The rational for preservation of the sphincter in patients with low rectal cancer[J].Br J Surg,1984;71(4):575-578.
8Weese JL,Gray MG, Ottery FD. How long is the five centimeter margin[J].Surg Gynecol Obstet,1986,163(2):101-103.
9Adam IJ,Mohamdee MO, Martin IG,et al: Role of the circumferential margin involvement in the local recurrence of rectal cancer[J].Lancet,1994;344(8924):707-711.
10Stocchi L ,Nelson H, Sargent DJ , et al: Impact of surgical and pathological variables in rectal cancer:A United States community and cooperative group report[J].J Clin Oncol,2001,19(18):3895-3902.
