An irregular ring enhancing lesion left hemisphere , posterior parietal lobe involving splenium of corpus callosum. It is slightly extending across midline towards right. mass mild compressing left occipital horn. Mass shows irregular peripheral ring enhancement with central necrosis,  mild perilesional edema.     
Findings consistent with primary tumour  like Astrocytoma / GBM Glioblastoma Multiforme, Butterfly Glioma. 