_:vb50953466 . _:vb50953466 "url:http://en.wikipedia.org/wiki/Cholangiocarcinoma"^^ . _:vb50953466 . _:vb50953466 . _:vb50953466 . _:vb50953466 . _:vb50953466 "url:http://cancergenome.nih.gov/cancersselected/Cholangiocarcinoma"^^ . _:vb50953466 . _:vb50953466 "url:http://www.cancer.gov/dictionary?CdrID=335064"^^ . _:vb50953466 . _:vb50953466 "A bile duct adenocarcinoma that has_material_basis_in bile duct epithelial cells."^^ .