YAP1-MAML2 Fusion in Young Children with Pediatric High Grade Glioma: A Case ReportNina Thomson1, Emily Jewels1, Samuel Bergeron-Gravel2, Simon Lagacé2, Lili-Naz Hazrati3, Stephen Saikali4, Christopher Dunham5, Sylvia Cheng1Division of Hematology, Oncology & BMT, BC Children’s Hospital, University of British Columbia, Vancouver, British Columbia, CanadaDepartment of Radiation Oncology, CHU de Québec, Université Laval, Québec, Québec, CanadaDepartment of Pathology, Faculty of Medicine and Health Sciences, McGill University, Québec, Québec, CanadaDepartment of Pathology, CHU de Québec, Université Laval, Québec, Québec, CanadaDivision of Anatomical Pathology, BC Children’s Hospital and Women’s Hospital and Health Center, Vancouver, British Columbia, Canada