CEACAM5 and metastatic malignant neoplasm in the lymph nodes: Univariate analysis using preoperative clinical data, intraoperative data, postoperative pathological findings, and postoperative recovery data identified preoperative lymphocyte count, dNLR, LMR, SIRI, albumin, total bilirubin, CEA, CA19-9, tumor differentiation, TNM stage, T stage, portal vein invasion, and lymph node metastasis as significant risk factors associated with overall survival (p < 0.05; Table 4).