CD274 and neoplasm: While the proportion and number of Ag-specific CD8 T cell populations increased (Fig. 8, N–Q; and Fig. S5 I), no difference in the proportion of Kaede Green+ cells was observed, again indicating that targeting PD-L1 had not substantially enhanced the numbers of CD8 T cells recruited into the tumor (Fig. 8, R and S; and Fig. S5 J).