Since increased PD1 expression was observed both in TIL of human GCT (Figure 2B) and on mouse intratumor CD4+ and CD8+ T cells (Figure 7, A and B), we combined PD1/PD-L1 inhibition with FoxL2-TT vaccination in the 4T1-FOXL2 model. Here, CD274 is linked to granular cell tumor.