3SilecehiaG, Perro wall recurrences tta N, after cancer : results of Giraudo G, et colorectal the Italina al. Abdominal resection or registry of laparoscopic colorectal surgery[J].Discolon Rectum, 2002, 4 (5): 1172-1177.
4Staudacher C, Vignali A, Saverio D, et al. Laparoscopic vs open total mesorectal excision in unselected patients with rectal cancer :impactonearlyoutcome[J].Dis Colon Rectum, 2007, 50 (9): 1324-1331.