This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Medicine
[{'content': 'A 50 year old man has presented with one episode of hematemesis. On vital examination HR= 110/min with BP of 110/80 mmHg. Systemic examination shows enlarged spleen with dilated touous veins around the umbilicus. First differential diagnosis is? \nSelect and explain. \nA. Kala Azar, B. Non cirrhotic poal fibrosis, C. Fatty liver, D. Non-alcoholic fatty liver disease', 'role': 'user'}, {'content': 'Answer: B \nExplanation: - Poal HTN * Hematemesis * Splenomegaly * Caput medusae Most impoant cause of poal HTN Alcoholic Cirrhosis > Non-Alcoholic Cirrhotic Poal Fibrosis =Alcoholic Cirrhosis --Mixed micro and macronodular cirrhosis', 'role': 'assistant'}]