CEACAM5 and metastatic malignant neoplasm in the lymph nodes: According to the univariate analysis, sex (male) (P < 0.001), high preoperative CEA (P < 0.001), high preoperative CA19-9 (P < 0.001), depth of tumor invasion (T3, 4) (P < 0.001), lymph node metastasis (P < 0.001), lymphatic vessel invasion (P < 0.001), venous invasion (P < 0.001), distant metastasis (P < 0.001), and low GNRI (P = 0.010) were significantly correlated with OS.