CD274 and neoplasm: In patients with PD-L1 expression (tumor proportion score [TPS] ≥ 1%), the median PFS was 5.5 months (95% CI: 3.1–13.7), the 24-month PFS rate was 23.6% (95% CI: 5.8–48.3), the median OS was 17.7 months (95% CI: 7.2–NE) and the 24-month OS rate was 37.6% (95% CI: 13.4–62.2).