assertion  retraction  graph  subject    predicate    object                                                                                                                                        datatype    annotation
1          0           graph  DOID:6741  IAO:0000115  A breast carcinoma that is characterized by an individual having breast cancer in both breasts, either simultaneously or at different times.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.ehow.com/facts_5923640_treatments-bilateral-breast-cancer_.html""}]}"