The GBM dataset consisted of 69 samples and 15 genes (IDH1, PTEN, FGFR1, EGFR, NF1, RB1, TP53, PIK3R1, PIK3R2, PIK3CA, PIK3CB, PIK3C2G, FGFR3, PIK3C2A, ATRX). Here, TP53 is linked to glioblastoma.