TSPAN15 and neoplasm: In the univariate analysis, tumor location (P < 0.001), differentiation (P = 0.001), tumor invasion (P < 0.001), lymph node metastasis (P < 0.001), distant metastasis (P = 0.002), clinical stage (P < 0.001), and TSPAN15 expression (P < 0.001) were the statistically significant predictors for a patient’s overall survival (Table 2).