CD274 and neoplasm: Among 122 patients assessed for PD-L1 expression, the ORR was 43.5% (95% CI = 28.9–58.9%) vs. 19.7% (95% CI = 11.5–30.5%) in the patients with a tumor proportion score (TPS) ≥ 50% (n = 46) vs. < 50% (n = 76) (Supplementary Table 2).