This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pathology
Most common tumour of hea Is- 
Select and explain. 
A. Myxoma, B. Rhabdomyosarcoma, C. Fibroma, D. Leiomyosarcoma
A: Myxoma
Answer: A: Myxoma 
Explanation: Myxoma are the most common primary tumor of the adult hea. Roughly 90% are aerial with the left atrium accounting for 80% Robbins 9 th edition page no. 404