Densely cellular cerebellar tumors in children.
D002528:Cerebellar Neoplasms / Q000473:pathology*; D002648:Child; D004806:Ependymoma / Q000473:pathology*; D006801:Humans; D008527:Medulloblastoma / Q000473:pathology*; D012509:Sarcoma / Q000473:pathology*