TERT and glioblastoma: With approval of the ethics committee of the Ludwig-Maximilians-University (Munich, Germany; AZ-21-0996), the RANO resect group compiled a retrospective database of newly diagnosed IDH-wildtype glioblastomas treated between 2003 and 2022 with a follow-up of ≥3 months.5 For the current study, individuals were selected when information on TERT promotor mutation status was available for review.