MSFinals-1500

A 43-year-old man presents with painless jaundice 2 months after returning from a trip to Thailand. He has no known history of liver disease. Laboratory results reveal bilirubin levels of 210 µmol/l, ALT levels of 1206 iu/l, ALP levels of 405 iu/l, PT of 10 s, and albumin levels of 41 g/dl. What is the most probable diagnosis?