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': 'Mucoviscidosis is most commonly related to ? \nSelect and explain. \nA. Fibrocystic disease of pancreas, B. Duodenal atresia, C. Diaphragmatic hemia, D. Annular pancreas', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Fibrocystic disease of pancrease", 'role': 'assistant'}]