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
Most Common cardiac tumor in childhood ? 
Select and explain. 
A. Rhabdomyoma, B. Lymphoma, C. Atrial myxoma, D. Sarcoma
A: Rhabdomyoma
Answer: A: Rhabdomyoma 
Explanation: Most Common primary cardiac tumor in infancy and childhood is Rhabdomyoma. Ref : Harrison principals of internal medicine, 19th edition,chapter289e,p.no:1577