TP53 and neoplasm: Moreover, as indicated in Table 1, 65 patients were divided into high-level (n = 32) and low-level (n = 33) according to the expression of p53, further analysis demonstrated that the p53 level was independent of age, sex, differentiation degree, lymphatic metastasis, and whether the patient was a smoker or a drinker, but correlated with tumor stage.