CD274 and malignant peripheral nerve sheath tumor: Our data suggest that MPNST tumors and plexiform and nodular neurofibromas not only display a relatively high capacity for CTL engagement (CTL Target Score) and an average ability to inhibit CTLs through PD-L1 (PD-L1 score), but also exhibit relatively high numbers of infiltrating CTLs and memory cells (inferring a favorable immunoscore) and relatively low numbers of immunosuppressive Tregs.