CEACAM5 and metastatic malignant neoplasm in the lymph nodes: In the univariate Cox regression analysis, sex, adjuvant therapy, Borrmann type, pTNM stage, surgical resection range, tumor diameter, distant metastasis, regional lymph node metastasis, lymph node metastasis rate, vascular infiltration, nerve infiltration, CEA and CA199 were associated with overall survival (Table 3).