This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pediatrics
[{'content': 'True about Ebstein anomaly is ? \nSelect and explain. \nA. Right ventricular dilatation, B. Right atrial dilatation, C. Left ventricular dilatation, D. Left atrial dilatation', 'role': 'user'}, {'content': 'Answer: B \nExplanation: In ebstein anomaly there will be right Atrial dilation to accommodate excess blood Ghai essential of pediatrics ,eighth edition, p.no: 423', 'role': 'assistant'}]