Evaluate for recurrence of medulloblastoma. There are post-treatment findings in the posterior fossa, including diffuse right greater than left cerebellar hemisphere encephalomalacia, but no evidence of measurable tumor in this region. There are unchanged scattered nonspecific foci of susceptibility effect in the brain and cerebellum. There is no evidence of intracranial hemorrhage or acute infarct. There is no abnormal intracranial enhancement. 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 are grossly unremarkable.
Unchanged post-treatment findings without evidence of measurable tumor recurrence. 