This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
[{'content': 'A 20-year-old man presents with repeated episodes of haematemesis. There is no history of jaundice or liver decompensation. On examination, the significant findings include moderate splenomegaly and presence of oesophagal varices. There is no ascites or peptic ulceration. The liver function tests are normal. What is the most likely diagnosis \nSelect and explain. \nA. Extrahepatic poal venous obstruction, B. Non-cirrhotic poal fibrosis, C. Cirrhosis, D. Hepatic venous outflow tract obstruction', 'role': 'user'}, {'content': "Answer: B \nExplanation: CAROLI'S DISEASE is congenital, nonfamilial, multiple, irregular, dilatation of the intrahepatic ducts with stenotic segments in between. It is associated with congenital hepatic fibrosis and medullary sponge kidney. * It can also be included under type V choledochal cyst.it is a hepatic cause of poal hypeension. ref: SRB&;s manual of surgery, ed 3, pg no 569", 'role': 'assistant'}]