assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:3282 IAO:0000115 A thymoma that is an epithelial neoplasm arising from the thymus. It may be associated with myasthenia gravis, pure red cell aplasia, and hypogammaglobulinemia. xsd:string "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9964105/""}]}"