assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:4852 IAO:0000115 A low grade glioma that is characterized by pleomorphic and lipidized cells expressing GFAP often surrounded by a reticulin network and eosinophilic granular bodies. xsd:string "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.cancer.gov/rare-brain-spine-tumor/tumors/pleomorphic-xanthroastrocytoma""}]}"