the neuroepithelial tumors included three cerebellar medulloblastomas , one pineoblastoma , one primitive neuroepithelial tumor ( probably cerebral neuroblastoma ) , one malignant subependymal giant cell astrocytoma , and one cerebellar medulloepithelioma with divergent glial and neuronal differentiation .
C0025149
medulloblastomas
C0007765
cerebellar