[ { "assertion": 1, "retraction": 0, "graph": "graph", "subject": "DOID:4682", "predicate": "IAO:0000115", "object": "A cholangiocarcinoma that arises from the extrahepatic bile ducts.", "datatype": "xsd:string", "annotation": "{\"oio:hasDbXref\":[{\"datatype\":\"xsd:string\",\"meta\":\"owl:Axiom\",\"object\":\"url:https://www.cancer.gov/publications/dictionaries/cancer-terms/def/extrahepatic-bile-duct-cancer\"}]}" } ]