This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pancreas, Subject name: Surgery
[{'content': 'A 62-year-old man is admitted with abdominal pain and weight loss of 5 lb over the past month. He has continued to consume large amounts of rum. Examination reveals icteric sclera. The indirect bilirubin level is 5.6 mg/dL with a total bilirubin of 6 mg/dL. An ultrasound shows a 4-cm pseudocyst. What is the most likely cause of jaundice in a patient with alcoholic pancreatitis? \nSelect and explain. \nA. Alcoholic hepatitis, B. Carcinoma of pancreas, C. Intrahepatic cyst, D. Pancreatic pseudocyst', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A recent increase in alcohol consumption explains the jaundice secondary to alcoholic hepatitis in the majority of such patients. Carcinoma of the pancreas is relatively rare but often causes difficulty in the differentiation from pancreatitis. A pseudocyst measuring 4 cm is not likely to be associated with nonobstructive jaundice in this patient.', 'role': 'assistant'}]