Right cerebellar mass lesion with suspected mural nodular area in cerebellum hemisphere. With defined mass lesion with cerebellum, pons, mesencephalon, superior cerebellar peduncle pushing, right pontocerebellar corner system and depression on the IV. ventricle, constriction in the ambient-quadrigeminal system, minimal tonsillar herniation. A few nonspecific hyperintense focuses in the periventricular white matter in the right frontal lobe