PD-1 ICB & A2BR antagonism ➣ anti-PD-1mAb: RMP1-14 (359) ➣ A2BR antagonist: PSB1115 (359) ➣ Melanoma: B16-F10 (359) ➣ Breast: 4T1.2 (359) ➣ Metastasis formation ↓ (359) ➣ Survival ↑ (359)