The shared risk factors that were found to influence patient mortality at one, three, and five years after radical gastric cancer surgery included advanced age, tumors classified as T3 and T4, tumor lymph node metastasis, tumor peripheral nerve invasion, presence of multiple tumors, tumor size, elevated CEA levels, CA125 levels, CA72-4 levels, and H. pylori infection. This evidence concerns the gene CEACAM5 and neoplasm.