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: Pathology
Most common benign tumor of heart in children 
Select and explain. 
A. Rhabdomyoma, B. Myxoma, C. Fibroma, D. Lipoma
A: Rhabdomyoma
Answer: A: Rhabdomyoma 
Explanation: Most common benign tumor of heart is Rhabdomyoma in children myxoma in adults.