assertion  retraction  graph  subject    predicate    object                                                                                                                                                       datatype    annotation
1          0           graph  DOID:4656  IAO:0000115  A retinoblastoma that has spread from the soft tissues surrounding the eye or to the optic nerve beyond the margin of resection to other parts of the body.  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007637""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.cancer.gov/cancertopics/pdq/treatment/retinoblastoma/HealthProfessional/page7""}]}"