CEACAM5 and gastric cancer: In this study, the clinical characteristics related to the prognosis of GC were analyzed by univariate Cox regression and we found that: Age (hazard ratio, HR = 1.011), BMI (HR = 0.893), NRS2002 score (HR = 1.549), ALB (HR = 0.944), CEA (HR = 1.040), CA199 (HR = 1.012), NLR (HR = 1.010), PNI (HR = 1.715), SII (HR = 0.702), PLT grade (HR = 1.002), D-dimer (HR = 1.051) and PT (HR = 1.091) were associated with prognosis of GC patients (Table 2).