Recently, several genetic biomarkers, such as O(6)‐methylguanine‐DNA methyltransferase (MGMT) methylation, epidermal growth factor receptor variant III (EGFRvIII), vascular endothelial growth factor (VEGF) and isocitrate dehydrogenase (IDH), have been well‐established in GBM.31 Here, MGMT is linked to glioblastoma.