1[10]Muto T,Bussey HR,Morson BC.The evolution of cancer of the co lon and rectum[J].Cancer,1975,36(6):2251-2270.
2[2]Elsaleh H,Csemi G,Iacopetta B.Extent of nodal involvement in stage Ⅲ colorectal carcinoma:relationship to clinicopathologic varia hles and genetic alterations[J].Dis Colon Rectum,2002,45(9):1218-1222.