assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:0081417 IAO:0000115 A chordoma that is characterized by loss of SMARCB1 expression and that is composed of sheets or nests of malignant epithelioid cells with abundant eosinophilic cytoplasm. xsd:string "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://pubmed.ncbi.nlm.nih.gov/29483606/""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://pubmed.ncbi.nlm.nih.gov/34482218/""}]}"