Each glioma patient was assigned a risk score according to the following formula: risk score = (0.2433)*RAB13 + (0.4201)*LYPLA1 + (0.0013)*GAS1 + (−0.0463)*VAMP2 + (0.5165)*CNIH4 + (0.3109)*PICK1 + (−0.0864)*RAB6B + (0.0978)*GOLT1. Here, VAMP2 is linked to central nervous system cancer.