In GBM, the mRNA expression of KDR and SAMD9 was found positively related to the abundance of B cells (KDR: r = 0.114; SAMD9: r = 0.181), macrophages (KDR: r = 0.235; SAMD9: r = 0.123), and DCs (KDR: r = 0.131; SAMD9: r = 0.302) (P < 0.05, Figure 3). This evidence concerns the gene SAMD9 and glioblastoma.