PDCD1 and neoplasm: To assess the efficacy of the anti‐PD1 antibody on modulating TOMM20‐overexpressing MCA‐205 tumor growth, we administered three doses of the PD‐1 antibody at three different time points to the mice having tumors with TOMM20‐overexpressing MCA‐205 cells and control EV cells (Fig. 4D).