Figure 2. . Prevalence of PD-L1 combined positive score ≥1 by tumor type.
Analysis included all tumor types. Evaluation of PD-L1 CPS in tissue samples was performed using the PD-L1 IHC 22C3 pharmDx assay (Agilent, CA, USA) and samples with a CPS ≥1 were considered positive.
IHC: Immunohistochemistry; PD-L1 CPS: PD-L1 combined positive score.