June 30, 2023. Dr Razis and Dr Labropoulos, as part of the Best of ASCO – Events in Greece, will chair the session: “Brain Tumors”. In this particular session, Dr Vernadou is going to present the following abstracts: “Abstract LBA1 | INDIGO: A global, randomized, double-blinded, phase 3 study of vorasidenib versus placebo in patients with residual or recurrent grade 2 glioma with an IDH1/2 mutation” and “Abstract 2009 | Clinical and analytical validation of a targeted gene expression biomarker predicting meningioma outcomes and radiotherapy responses”.