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Figure 2. Types and prevalence of FGFR alterations in brain tumors. Queries and resulting figures were generated in cBioPortal (http://www.cbioportal.org) by searching for “brain” and querying by FGFR1, FGFR2, FGFR3, FGFR4, IDH1, IDH2, KRAS, ALK, ROS1, NTRK1, NTRK2, NTRK3, BRAF, and EGFR. (A) OncoPrint display of identified mutations, amplifications, and deletions; (B) FGFR1-4 gene alteration frequency by individual study; (C) Frequency of FGFR1-4 alteration by brain cancer type. FGFR: fibroblast growth factor receptor.