title: Biliary endoscopy.
abstract: The literature this year contained a number of articles reviewing the different methods of biliary drainage for malignant obstruction, highlighting approaches to unilateral drainage, and stressing the risks of incomplete drainage after contrast injection. A number of articles addressed issues surrounding the differentiation of benign and malignant biliary strictures.
authors.affiliation: Gastroenterology Division, Department of Medicine, University of Pennsylvania Health System, Philadelphia, PA 19104, USA.
authors.forename: Nina
authors.initials: N
authors.lastname: Phatak
authors.forename: Michael L
authors.initials: ML
authors.lastname: Kochman