(2020) showed that in patients with GBM below the age of 65 years with IDH wild‐type, in addition to maximum resection of the Gd area, resection of the non‐Gd area of the lesion which was <5.4 mL associated with prolonged survival (overall median survival, 37.3 vs. The gene discussed is IDH2; the disease is glioblastoma.