A large, well defined heterogenous peripherally enhancing mass right  fronto- parietal lobe.  mass shows  peripheral thick wall enhancement with central cystic necrosis. moderate  peritumoral edema with  mass effect. Compression on right lateral ventricle with contralateral  midline shift.  
Rest of brain parenchyma appear normal. 
Differentials include Cystic Astrocytoma /  Glioblastoma Multiforme.
 
 