TERT and glioblastoma: The perceptual map reveals that categories such as GBM, unmethylated MGMT promoter, IDH wild type, Chr7 gain and Chr10 loss, grade 4, GBM ATRX wild type, TERT expression, non-codel 1p.19q, and CL and ME transcriptome subtypes are closely associated with dead vital status, appearing along the positive x-axis (dimension 1).