Objective To study the safety, reasonableness and feasibility of D 3 lymphadenectomy(LC) for advanced right colon cancer(ARCC). Methods 97 cases of ARCC were divided randomly into two groups: D 2.LC group (55cases) and D 3 LC group (42cases). The climical data between D 3 LC and D 2LC were compared. Results Comparing to D 2 LC,D 3 had higher operative invasive degree, but the incidence of postoperative complications did not increase, the ratio of the curable resection and the three-year and five-year survival rate after operation were significantly higher (88.1% and 73.8% vs 72.8% and 52.7%) (all P
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