S101 A 62-year-old man presented to his primary care physician in June of 2000 with fatigue. He gave a history of two similar episodes of extreme fatigue in the past five years. During one of these episodes, elevated liver enzymes were found. He did not seek further attention at that time. An examination showed that he was otherwise healthy. He was not on medications, and he denied drinking. He had no known family history of liver disease. He had been born in Greece, and moved to the United States in 1980. Physical examination did not reveal any significant findings. There was no evidence of jaundice. Laboratory Results: AST: 349 ALT: 452 Total bilirubin: 0.9 Platelet count: 210k HBsAg: positive Anti-HCV: negative