Metastatic lung cancer. There is no evidence of acute intracranial hemorrhage or infarct. There are scattered areas of T2 hyperintensity in the cerebral white matter, which are nonspecific. There are multiple unchanged punctate foci of susceptibility effect in the bilateral cerebral hemispheres, without associated enhancement. There is no evidence of acute infarction. The ventricles and basal cisterns are unchanged in size and configuration. There is no midline shift or herniation. The skull and extracranial soft tissues are unremarkable. There are bilateral lens implants.
Post-treatment findings without evidence of recurrent intracranial metastatic disease.