CD274 and neoplasm: Compared with the control group, the therapeutic modalities in the EPI-GEL group and the combination of systematic anti-programmed death ligand 1 (PD-L1) therapy with local chemoablation (EPI-GEL/PD-L1) led to marked tumor suppression, while the PD-L1 group did not show any difference from the control group (Figure 5A).