CDKN2A and glioblastoma: Patient #12, a 54-year-old male diagnosed with glioblastoma (GBM) with the BCR::NTRK2 fusion, PTEN mutation, homozygous deletion of CDKN2A/2B, and TERTp mutation (C228T), refused adjuvant therapy and received palliative care, resulting in death 13 months post-surgery.