CD274 and neoplasm: Triple therapy with mAb-AR20.5 (anti-MUC1), anti-PD-L1 therapy, and PolyICLC (immunostimulant) cured 50% of mice subcutaneously injected with PDAC cells by 70 days and retained immunologic memory as evidenced by tumor antigen-specific rejection of tumors reimplanted in treated mice but not in control mice [43].