Section 114
A heterogenous cystic  mass  predominantly within left frontal lobe and adjacent corpus callosum.  It shows heterogenous irregular ring enhancement with central necrosis. Marked peritumoral edema with compression of anterior horns of both lateral ventricles LT > RT side. compression of adjacent brain parenchyma and extension across midline, corpus callosum towards right side.
Findings consistent with aggressive astrocytoma likely butterfly glioma.