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  Indian J Med Microbiol
 

Figure 1: PD-L1 expression (Dako IHC 22C3 PharmDx assay). (a) Primary tumor cells with positive PD-L1 expression (black arrow, PD-L1 staining, ×200); the TPS was 60%. (b) Spinal metastatic tumor cells with positive PD-L1 expression (black arrow, PD-L1 staining, ×200); the TPS was 35%. TPS: Tumor proportion score, PD-L1: Program death ligand-1

Figure 1: PD-L1 expression (Dako IHC 22C3 PharmDx assay). (a) Primary tumor cells with positive PD-L1 expression (black arrow, PD-L1 staining, ×200); the TPS was 60%. (b) Spinal metastatic tumor cells with positive PD-L1 expression (black arrow, PD-L1 staining, ×200); the TPS was 35%. TPS: Tumor proportion score, PD-L1: Program death ligand-1