FGFR signalling regulates tumor progression in gliomas43,44 and oncogenic alterations of FGFR genes have been found in IDH-wildtype gliomas, such as FGFR-TACC fusions in GBM45 and structural variants of FGFR1 in pediatric gliomas46. Here, FGFR1 is linked to central nervous system cancer.