title: Electronic clinical challenges and images in GI. Portal vein tumor thrombosis in a patient with previously unconfirmed hepatocellular carcinoma.
authors.affiliation: Fiterman Centre for Digestive Disease, Division of Gastroenterology and Hepatology, Rochester, Minnesota, USA.
authors.forename: Michael J
authors.initials: MJ
authors.lastname: Levy
authors.forename: Lizhi
authors.initials: L
authors.lastname: Zhang
authors.forename: Ferga C
authors.initials: FC
authors.lastname: Gleeson