This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': 'A 12-year-old boy presents with hematemesis, Malena and mild splenomegaly. There is no obvious jaundice or ascites. The most likely diagnosis is \nSelect and explain. \nA. NCPF, B. Cirrhosis, C. Malaria with DIC, D. EHPVO', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Extra Hepatic Portal Venous Obstruction\n\n5-6 years of age\nhematemesis with or without melena\nsplenomegaly depends on duration of blockage\nliver usually normal in size\nascites is rare\nvariable extent of growth retardation is seen', 'role': 'assistant'}]