Extra-CNS DLBCL. There are postoperative findings related to left frontal craniotomy with a resection cavity in the middle frontal gyrus with surrounding susceptibility effect. There are unchanged areas of encephalomalacia and scattered cortical laminar necrosis in the bilateral occipital lobes, right parietal lobe, and left frontal lobe. There is also unchanged patchy high T2 signal in the left corona radiata and punctate foci of high T2 signal in the bilateral basal ganglia. There is no evidence of acute intracranial hemorrhage or acute infarct. There is no abnormal intracranial enhancement. The ventricles are unchanged in size and configuration. There is no midline shift or herniation. The major cerebral flow voids are intact. The orbits are unremarkable. There is mucosal thickening in the maxillary sinuses.
Unchanged postoperative findings in the left frontal lobe and multifocal areas of encephalomalacia. 