8Coco C,Manno A, Mattana C, et al. The role of local excision in rectal cancer after complete response to neoadjuvant treatment [ J]. Surg Oncol,2007,16 ( Suppl 1 ) :S101 - 104.
9Rasheed S, Bowley DM, Aziz O,et al. Can depth of tumour invasion predict lymph node positivity in patients undergoing resection for early rectal cancer? A comparative study between T1 and T2 cancers[ J]. Colorectal Dis,2008,10 (3) :231 - 238.
5Burghardt J, Buess G. Transanal endoscopic microsurgery (TEM): a new technique and development during a time period of 20 years. Surg Technol Int, 2005,14: 131-137.
6Hamilton SR, Vogelstein B, Kudo S, et al. Carcinoma of the colon and rectum. In: Hamilton SR, Aaltonen LA, eds. World Health Organization Classification of Tumors. Pathology & Genetics of Tumors of Digestive System. Lyon : IARC Press, 2000. 105-119.
7Lin GL, Meng WCS, Lau PYY, et al. Local resection for early rectal tumours:comparative study on transanal endoscopic microsurgery(TEM) versus posterior trans-sphincteric approach ( Mason's Operation ). Asian J Surg, 2006,29 : 227-232.
8Platell C, Denholm E, Makin G. Efficacy of transanal endoscopic microsurgery in the management of rectal polyps. J Gastroenterol Hepatol, 2004,19 : 767-772.
9Gavagan JA, Whiteford MH, Swanstrom LL. Full-thickness intraperitoneal excision by transanal endoscopic microsurgery does not increase short-term complications. Am J Surg, 2004, 187 : 630-634.
10Cataldo PA, O'Brien S, Osier T. Transanal endoscopic microsurgery: a prospective evaluation of functional results. Dis Colon Rectum, 2005,48 : 1366-1371.
3CHOK KS, LAW WL. Prognostic factom affecting survival and recurrence of patients with pT1 and pT2 colortal cancer[J]. World .1 Surg, 2007, 3l(7): 1485-1490.
4KORNPRAT P, POLLHEIMER MJ, LINDTNER RA, et al. Value of tumor size as a prognostic variable in colorectal cancer: a critical reappraisal[J]. Am J Clin Oncol, 2011, 34(1): 43-49.
5WATSON DI, ELLIS T, LEEDER PC, et al. Excision of laparo- scopic port sites increases the likelihood of wound metastases in an experimental modd[J]. Surg Endosc, 2003, 17(1): 83-85.
6DU J, YU PW, TANG B. Application of stereology to study the effects of pneumoperitoneum on peritoneum[J]. Surg Endosc, 2011, 25(2): 619-627.
7REISMANN M, WEHRMANN F, SCHUKFEH N, e al. Carbon dioxide, hypoxia and low pH lead to overexpression of c-myc and HMGB-1 oncogenes in neuroblastoma cells[J]. Eur J Pedi- air Surg, 2009, 19(4): 224-227.
8KRAUSE P, BOBISCH NS, THELEN P, et al. The plasminogen activator inhibitor system in colon cancer cell lines is influ- enced by the CO2 pneumoperitoneum[J]. Int J Colorectal Dis, 2011, 26(1): 37-43.
9CHANG HC, HUANG SC, CHEN JS, et al. Risk factors for lymph node metastasis in pT1 and pT2 rectal cancer: a sin- gle-instimte experience in 943 patients and literature review[J]. Ann Surg Oncol, 2012, 19(8): 2477-2484.