This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other hea diseases in children, Subject name: Pediatrics
[{'content': 'What is the minimal internal diameter of giant coronary aneurysm in children with Kawasaki disease which pose highest risk for ruptures, thrombosis, stenosis and myocardial infarction? \nSelect and explain. \nA. 8 mm, B. 10 mm, C. 12 mm, D. 15 mm', 'role': 'user'}, {'content': 'Answer: A \nExplanation: --> Giant coronary aery aneurysms (classic definition of > 8 mm internal diameter) pose the greatest risk for rupture, thrombosis or stenosis, and myocardial infarction', 'role': 'assistant'}]