assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:0081248 IAO:0000115 An endocrine organ benign neoplasm arising from the pineal gland that is composed of small, uniform, mature cells resembling pineocytes with occasional large pineocytomatous rosettes. It may show a wide range of divergent phenotypes, including neuronal, glial, melanocytic, photoreceptor and mesenchymal differentiation. xsd:string "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://rarediseases.org/gard-rare-disease/pineocytoma/""}]}"