In both GBM and LGG (Figure S4, Figures 6 and 7), HAVCR2 was positively correlated with MDSC, macrophage and Tfh, the immune inhibitors LGALS9 and CSF1R, the immune stimulator CD86, and MHC molecules including HLA-DMB and HLA-DMA. Here, HLA-C is linked to glioblastoma.