IDH3A and glioblastoma: Malignant gliomas, including glioblastoma (GBM [grade 4 isocitrate dehydrogenase wildtype (IDHwt)]), high grade astrocytoma IDH-mutated, and high grade oligodendroglioma IDH-mutated and 1p/19q-codeleted, classified based on histological and molecular characteristics in accordance with current World Health Organization (WHO) 2021 classification [1], are one of the most common primary glial central nervous system (CNS) cancers worldwide [2].