CEACAM5 and neoplasm: It was found that BMI [normal, HR: 0.308 (0.148–0.642), P=0.002; overweight, HR: 0.368 (0.157–0.862), P=0.021], degree of tumor differentiation [HR: 1.774 (1.056–2.980), P=0.030], N stage [N1, HR: 2.872 (1.413–5.841), P=0.004; N2, HR: 4.633 (1.873–11.457), P<0.001), LMR [HR: 0.358 (0.175–0.734), P=0.005], and post-CEA level [HR: 3.614 (2.045–6.388), P<0.001] were significant independent variables associated with OS (Supplementary Table S3).