Brain metastasis treated with SRS: surveillance exam. There is a small area of unchanged high T2 signal in the left parietal lobe treatment bed. There is no evidence of associated enhancement or mass effect. There is no evidence of additional intracranial lesions. There is no evidence of acute intracranial hemorrhage acute infarct. The ventricles and basal cisterns are unchanged in size and configuration. There is no midline shift or herniation. The major cerebral flow voids are intact. The orbits, skull, and scalp soft tissues are unchanged. There are scattered paranasal sinus retention cysts and mucosal thickening.
Post-treatment findings in the left parietal lobe without evidence of measurable tumor.