7Wang JY,Wu CH,Lu CY,et a1.Molecular detection of circulat-ing tumor cells in the peripheral blood of patients with colorectalcancer using RT-PCR:significance of the prediction of postopera-tive metastasis[J].World J Surg,2006,30:1007-1013.
8Takahashi Y,Takeuchi T,Sakamoto J,et a1.The usefulness ofCEA and/or CAl9-9 in monitoring for recurrence in gastric canc-er patients:a prospective clinical study[J].Gastric Cancer,2003,6:142-145.
9Cidon EU,Bustamante R.Gastric cancer:tumor markers as pre-dictive factors for preoperative staging[J].J Gastrointest Cancer,2010,42:127-130.
10Hwang GI,Yoo CH,Sohn BH,et a1.Predictive value of preoper-ative serum CEA,CAl9-9 and CAl25 levels for peritoneal metas-tasis in patients with gastric carcinoma[J].Cancer Res Treat,2004,36:178-181.
