NCIt related terms : Combined Positive Score; Cells.programmed cell death ligand 1/100 viable tumor cells in Tissue by Immune stain;
NCIt definition : A measurement of PD-L1 expression in a tumor sample, calculated as the number of PD-L1
staining cells (tumor cells, lymphocytes, macrophages) divided by the total number
of viable tumor cells, multiplied by 100.;