The univariate Cox regression analysis demonstrated that the sex, age, high/low incidence area, cigarette smoking, alcohol consumption, location, differentiation, T stage, N stage, M stage, UICC stage, cancer embolus, and p53 protein high/low expression were dependent prognostic factors (p < 0.05, Figures 6(a), 6(b), and 7). This evidence concerns the gene TP53 and cancer.