old man presents with headache and rights hand weakness. On examination you find bilateral papilledema and upper motor neuron weakness in the right arm and leg. MRI with constrast shows an enhancing mass in the left frontal region, crossing the corpus callosum in a butterfly pattern with surrounding edema. prior to requesting a biopsy you discuss with your resident that this is most likely a A. Ependymoma B. schwannoma C. Astryocytoma D. Meningioma E. Glioblastoma