Source:http://linkedlifedata.com/resource/umls/id/C0259783
NCI: A brain tumor that forms from more than one type of brain cell, usually astrocytes and oligodendrocytes.,NCI: A malignant neoplasm comprising two or more glial cell types (e.g., astrocytes, ependymal cells, oligodendrocytes).,NCI: A tumor composed of two or more glial cell types (astrocytes, ependymal cells, and oligodendrocytes).