NSCLC with brain metastases status post WBRT. There is essentially resolved vasogenic edema in the anterior right frontal lobe with minimal associated residual tumor. There is interval decrease in size of a mass centered in the right posterior cingulate gyrus with extensive persistent surrounding vasogenic edema. There is no significant interval change in the subcentimeter lesion in the right inferior temporal gyrus. There is a new punctate lesion with vasogenic edema in the right superior temporal gyrus. There is minimal midline shift to the right. There is no evidence of an acute infarct. There is diffuse prominence of the right cerebellar hemisphere folia with associated diffuse T2 hyperintensity.
1.Evidence of mixed treatment response of the intracranial metastases.2. Unchanged right cerebellar hemisphere encephalomalacia.