CEACAM5 and neoplasm: In univariate analyses, OS was found to be significantly associated with ASA-PS (p < 0.001), tumor size (p = 0.018), tumor differentiation (p < 0.001), pathological stage (p < 0.001), carcinoembryonic antigen (CEA) (p = 0.005), CRP (p = 0.030), postoperative complications (p = 0.002), and GNRI (p < 0.001).