assertion  retraction  graph  subject    predicate    object                                                                                                                                                                                                                                              datatype    annotation
1          0           graph  DOID:3284  IAO:0000115  A thymus cancer that derives_from epithelial cells. The tumor cells in a thymic carcinoma look very different from the normal cells of the thymus, grow more quickly, and have usually spread to other parts of the body when the cancer is found.  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/thymoma/patient/page1""}]}"