CD274 and cancer: While chemotherapy is known to target rapidly proliferating cancer cells,11 several chemotherapeutic agents, including 5‐FU and Oxa, are known to activate the immune system by depleting myeloid‐derived suppressor cells, by inducing immunogenic cell death‐associated release of damage‐associated molecular pattern molecules, and/or by regulating PD‐L1.10, 12, 13