_:vb50937234 . _:vb50937232 . _:vb50937234 . "DOID:0050613"^^ . _:vb50937232 . _:vb50937233 . . "disease_ontology"^^ . . _:vb50937233 . _:vb50937235 _:vb50937234 . _:vb50937233 . _:vb50937232 _:vb50937235 . _:vb50937233 . . _:vb50937234 _:vb50937233 . . _:vb50937235 . _:vb50937232 . "bile duct carcinoma in situ"^^ . "An in situ carcinoma located_in the surface epithelium of the bile duct that most commonly develops into adenocarcinoma."^^ . _:vb50937235 .