PD-1 ICB & CD73 inhibition ➣ anti-PD-1mAb: RMP1-14 (382, 385) ➣ anti-CD73mAbs: Oleclumab (385) TY/23 (382) ➣ Breast: 4T1.2 (382) ➣ Colon: CT26 (385) MC38 (382) ➣ Prostate: RM-1 (382) ➣ Primary tumor expansion rate ↓ (382, 385) ➣ Survival ↑ (382, 385) ↑ Tumor-specific CD8+ T cells (382, 385)↑ IFN-γ mRNA (382)