CD274 and neoplasm: Regarding patients with tumor PD-L1 expression level of 1% or more, the proportions of patients were lower in the Japanese population than in the overall population for ECOG PS 1 or more (0 and 40.1%, respectively) and N+ (25.0 and 46.5%, respectively), but the proportions of patients were higher for pT3 (87.5 and 58.5%, respectively) and UTUC (75.0 and 17.6%, respectively) (Supplementary Tables S1 and S2).