<prompt>  A 50-year-old lady presented with a history of pain upper abdomen, nausea, and decreased appetite for 5 days. She had undergone cholecystectomy 2 years back. Her bilirubin was 10 mgdl, SGOT 900 IUL SGPT 700IUL and serum alkaline phosphatase was 280 IUL. What is the most likely diagnosis -Acute pancreatitisAcute cholangitisAcute viral hepatitisPosterior penetration of peptic ulcer 