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Description of the sample set. (A) Summary of tumor locations and histologies by age in the pediatric population. Red and blue numbers indicate supratentorial (ST) and infratentorial (IT) tumors, respectively. (B) BRAF genomic status by histology. Dysembryoplastic neuroepithelial tumors (DNTs) and oligodendroglial (OD) tumors did not harbor either the BRAF duplication or the BRAF-V600E point mutation.
