Localized fluid collection - extrahepatic bile leak in a 7-year-old boy, 1 day after living-related liver transplantation to treat biliary atresia. Localized fluid collection (F) in the perihepatic space was confirmed as resulting from an extrahepatic bile leak. Hepatic venous infarction (arrows) is noted along the resection margin of the transplanted liver as a geographic low density lesion.