assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:1738 oio:id DOID:1738 xsd:string 1 0 graph DOID:1738 oio:hasDbXref UMLS_CUI:C0238197 xsd:string 1 0 graph DOID:1738 rdfs:label small intestine leiomyoma xsd:string 1 0 graph DOID:1738 oio:inSubset obo:doid#NCIthesaurus _IRI 1 0 graph DOID:1738 oio:hasDbXref SNOMEDCT_US_2023_03_01:424279009 xsd:string 1 0 graph DOID:1738 oio:hasOBONamespace disease_ontology xsd:string 1 0 graph DOID:1738 rdf:type owl:Class _IRI 1 0 graph DOID:1738 rdfs:subClassOf DOID:7505 _IRI 1 0 graph DOID:1738 oio:hasDbXref NCI:C7725 xsd:string 1 0 graph DOID:1738 rdfs:subClassOf DOID:127 _IRI 1 0 graph DOID:2706 rdfs:label synovium cancer xsd:string 1 0 graph DOID:2706 oio:inSubset obo:doid#NCIthesaurus _IRI 1 0 graph DOID:2706 oio:id DOID:2706 xsd:string 1 0 graph DOID:2706 oio:hasOBONamespace disease_ontology xsd:string 1 0 graph DOID:2706 oio:hasExactSynonym malignant tumor of Synovium @en 1 0 graph DOID:2706 oio:hasDbXref UMLS_CUI:C1334624 xsd:string 1 0 graph DOID:2706 oio:hasDbXref NCI:C6531 xsd:string 1 0 graph DOID:2706 rdfs:subClassOf DOID:201 _IRI 1 0 graph DOID:2706 rdf:type owl:Class _IRI 1 0 graph DOID:0081255 IAO:0000115 A posterior fossa ependymoma that arises in the posterior fossa with characteristic DNA methylation patterns including retention of nuclear H3 p.K28me3 (K27me3) expression, absence of CpG island hypermethylation, absence of global DNA hypomethylation, and absence of EZHIP overexpression. xsd:string "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://pubmed.ncbi.nlm.nih.gov/33902636/""}]}"