RadscoreHigh tumors were enriched in GBM tumors compared to LGG (37.9% of GBM were Radscorehigh vs. 15.9% of LGG, p = 0.0059 with Chi2) and IDH1 wild-type status (87.0% vs. 29.0%, p < 0.000001). Here, IDH1 is linked to glioblastoma.