CD274 and neoplasm: Between two different treatment groups, we discovered that Surgery (p < 0.001), Tumor size (p = 0.001), Pathology (p < 0.001), TNM stage (p < 0.001), Differentiation (p < 0.001), Lauren type (p < 0.001), PD-1 (p < 0.001), PD-L1 (p < 0.001) had statistically significant differences (Table 5).