CEACAM5 and metastatic malignant neoplasm in the lymph nodes: Univariate analysis for RFS showed that CEA level (> 4.0 ng/ml), CA19-9 level (> 65.2 U/ml), combined resection of other organs, positive anterior serosal invasion, positive retroperitoneal invasion, positive extrapancreatic plexus invasion, positive splenic artery invasion, positive perineural invasion, CY + status, positive lymph node metastasis, UICC-T3, UICC-stage 3, R1 resection, and failure to complete adjuvant chemotherapy were poor prognostic factors.