CD274 and neoplasm: In patients with tumor PD-L1 CPS (≥ 1%), the median PFS was 9.6 months in the nivolumab group and 1.6 months in the placebo group (P = 0.028), and the median OS was 19.2 months in the nivolumab group and 8.3 months in the placebo group (P = 0.070).