assertion  retraction  graph  subject       predicate            object                                                        datatype    annotation
1          0           graph  DOID:0050686  rdfs:label           organ system cancer                                           xsd:string  
1          0           graph  DOID:0050686  oio:id               DOID:0050686                                                  xsd:string  
1          0           graph  DOID:0050686  oio:hasOBONamespace  disease_ontology                                              xsd:string  
1          0           graph  DOID:0050686  oio:hasDbXref        MESH:D009371                                                  xsd:string  
1          0           graph  DOID:0050686  oio:creation_date    2011-06-13T03:28:33Z                                          xsd:string  
1          0           graph  DOID:0050686  oio:created_by       snadendla                                                     xsd:string  
1          0           graph  DOID:0050686  rdfs:subClassOf      DOID:162                                                      _IRI        
1          0           graph  DOID:0050686  rdf:type             owl:Class                                                     _IRI        
1          0           graph  DOID:0050686  IAO:0000115          A cancer that is classified based on the organ it starts in.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.cancer.gov/types/by-body-location""}]}"