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: Medicine
[{'content': 'True statement about cardiac myxoma is : \nSelect and explain. \nA. Commonest site is left atrium, B. Rarely reoccurs after excision, C. Distant metastasis are seen, D. More common in females', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer is A (Commonest site is LA) Cardiac Myxomas are usually located in the atria, most common in the left. Cardiac myxomas : Are the most common type of primary cardiac tumors. Q Occur at all ages and show no sex preference (mixes equally with both sexes)Q Most cardiac myxomas are sporadic, while some may be familial Sporadic myxomas : Familial mvxomas : Are solitary Q * Are multiple Q Located in Atria, most commonly in the leftQ * More likely to have post op recurrence Q Unlikely to have post-op recurrence Q Occur in younger individualsQ Myxomas are benign tumors and therefore distant metastasis are not seen.Q', 'role': 'assistant'}]