title: What is the clinical benefit of portal vein embolization before extended hepatectomy for biliary cancer?
authors.affiliation: Department of Visceral and Transplant Surgery, University Hospital, Zurich, Switzerland.
authors.forename: Markus K
authors.initials: MK
authors.lastname: Müller
authors.forename: Pierre-Alain
authors.initials: PA
authors.lastname: Clavien