Among the selected genes, 15 (Araf, Braf, Kras, Ccnd1, Cdk6, Igf1r, Nras, Pik3ca, Pik3r1, Pdgfra, Pdgfrb, Pdgfb, Akt1, Akt2, and Mdm2) were related to glioma and leukemia (Figure 4). This evidence concerns the gene PDGFB and central nervous system cancer.