Oligoastrocytoma treated with chemotherapy and prior resection. The images are degraded by patient motion. There are postoperative findings related to left parietal craniotomy. There is unchanged confluent T2 hyperintensity surrounding the left parietal lobe resection cavity consistent. There is also unchanged scattered cerebral white matter T2 hyperintensity, particularly in the right peritrigonal region, which is nonspecific. There is no evidence of abnormal enhancement. The ventricles are stable in size and configuration. There is no acute territorial infarct. There is no significant midline shift or herniation. The major cerebral flow voids are grossly intact. The skull and extracranial soft tissues are unchanged.
No evidence of tumor progression amidst post-treatment findings.