A SERIOUS DEGREE of hemobilia (hemorrhage into the biliary tract) is uncommon. It usually results from extrahepatic sources such as rupture of a hepatic artery aneurysm into the bile duct or erosion of a biliary calculus into an adjacent vessel.1,2Even less common is hemobilia of hepatic origin which may be caused by trauma to the liver,3,4malignant tumors,5and many other rather esoteric conditions. This present report concerns a case of hemobilia secondary to a liver abscess which required a major resection of the right lobe of the liver for ultimate control. Report of a Case A 75-year-old female was admitted to the Surgical Services of the Massachusetts General Hospital on April 29, 1962, because of persistent and severe hemobilia. Sixteen months prior to admission, cholecystectomy and choledochotomy had been performed in another hospital. Multiple stones were removed from the common bile duct. Postoperative cholangiography showed