CEACAM5 and metastatic malignant neoplasm in the lymph nodes: In the univariate analysis, sex, primary lymph node metastases, pathology differentiation, preoperative chemotherapy, size of CRLMs, number of CRLMs, preoperative CEA levels, total cholesterol levels, LDL-C levels, LHRs, and LDH levels were identified as potential prognostic markers (p < 0.10).