A 46-year-old male comes to the physician for routine health maintenance examination. He has been smoking 2 packs of cigarettes and drinking 4 ounces of vodka daily for 20 years. He has a one month history of bloating and foul-smelling stools. He was hospitalized on two prior occasions for abdominal pain. Vitals are within normal limits. Serum amylase, lipase, bilirubin, and ALP are normal. Serum calcium is 9.0 mg/dL. Which of the following is the most likely diagnosis?
Cholecystitis
Choledocholithiasis
Cholelithiasis
Pancreatitis
Pseudocyst
