CD274 and neoplasm: The PD-L1 assessment was characterized in this study as follows: (1) PD-L1 high (tumour percentage score, TPS50%), PD-L1 low (TPS 1–49%), and PD-L1 negative (TPS1%); (2) PD-L1 positive (TPS50%) and negative (TPS50%); and (3) as a continuous variable.