A glioblastoma tumour (IMAGE) University of Toronto Caption A brain scan showing a top down view of a cross-section with a glioblastoma tumour highlighted in red. Credit Hellerhoff, Wikimedia Commons Usage Restrictions credit author License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.