title: Invited commentary.
authors.affiliation: Department of Diagnostic Radiology, University of Minnesota Minneapolis, Minnesota.
authors.forename: Andrew J
authors.initials: AJ
authors.lastname: Taylor
mesh_terms: D001649:Bile Duct Diseases / Q000473:pathology*; D001652:Bile Ducts / Q000473:pathology*; D049448:Cholangiopancreatography, Magnetic Resonance / Q000379:methods*; D006801:Humans