title: In Reply.
authors.forename: A
authors.initials: A
authors.lastname: Vogel
authors.lastname: Wege
authors.lastname: Caca
authors.lastname: Nashan
authors.lastname: Neumann
mesh_terms: D001650:Bile Duct Neoplasms / Q000175:diagnosis* / Q000628:therapy*; D001653:Bile Ducts, Intrahepatic / Q000473:pathology*; D018281:Cholangiocarcinoma / Q000175:diagnosis* / Q000628:therapy*; D006801:Humans