oligodendroglioma true MESH:D009837 UMLS_CUI:C1335110 https://www.ncbi.nlm.nih.gov/pubmed/26478444 NCI:C6960 SNOMEDCT_US_2018_03_01:73348003 NCI:C129319 DOID:3182 oligodendroglial tumor DOID:3181 http://www.case.edu/EpSO.owl#Oligodendroglioma UMLS_CUI:C0028945 oligodendroglial neoplasm Oligodendrogliomas are cerebral tumors that are differentiated from other gliomas on the basis of their unique genetic characteristics and better response to chemotherapy. These tumors are classified according to their grade (low grade oligodendrogliomas: grade II of the WHO classification and anaplastic oligodendrogliomas: grade III of the WHO classification) and according to their pure or mixed histology (oligoastrocytomas). GARD:9953 NCI2004_11_17:C6960 disease_ontology malignant glioma