brain stem cancer DOID:13974 primary brain Stem tumor disease_ontology UMLS_CUI:C0751886 malignant neoplasm of brain stem UMLS_CUI:C0153641 UMLS_CUI:C0677866 primary brain stem neoplasm SNOMEDCT_US_2018_03_01:93726004 UMLS_CUI:C1332192 DOID:4203 NCI:C4975 ICD10CM:C71.7 GARD:8244 neoplasm of adult brain stem NCI:C5967 DOID:4208 DOID:4204 neoplasm of brain stem NCI:C3570 MESH:D020295 ICD9CM:191.7 malignant neoplasm of brainstem NCI:C4869 infratentorial cancer