Question: A 47-year-old man was admitted to our hospital with an 8-hour history of intermittent abdominal pain that had developed suddenly. He had a history of liver cirrhosis and chronic hepatitis B virus infection for 10 years. Physical examination revealed tenderness of the right abdomen. His liver function was abnormal: γ-glutamyltransferase, 110U/L (normal range, 10-60), alkaline phosphatase, 135U/L (normal range, 45-125), glutamate dehydrogenase, 22.4U/L (normal range, 0-7.4), prealbumin, 11.7 mg/dL (normal range, 17-40).