ISG20 and glioblastoma: A total of 7 individual brain tumor reports (GSE30074: medulloblastoma, GSE16581: meningioma, GSE28026: atypical teratoid/rhabdoid tumors, GSE4271: high-grade astrocytomas, GSE4412: gliomas, GSE13041 and GSE7696: GBM) were collected, and the forest plot of the hazard ratio of ISG20 with OS in brain tumor patients is shown in Fig. 3.