IDH1 and glioma: The patients with glial tumors were classified using conventional tests (codeletion 1p/19q (FISH), Mutation IDH (IHQ), MGMT promoter methylation (PCR)) [15], and genomic sequencing using the FoundationOne®CDx (F1CDx) and FoundationONE Liquid CDx (F1LCDx) panels.