CD274 and neoplasm: TPS - Tumor Proportion Score, which is the percentage of viable tumor cells showing partial or complete membrane staining at any intensityCPS- Combined Positive Score, which is the number of PD-L1 staining cells (tumor cells, lymphocytes, macrophages) divided by the total number of viable tumor cells, multiplied by 100%IC - The proportion of tumor area occupied by PD-L1 expressing tumor-infiltrating immune cells of any intensity