This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiac Tumors, Subject name: Pathology
Which of the following is the commonest cardiac neoplasm in adults? 
Select and explain. 
A. Ventricular rhabdomyoma, B. Atrial myxoma, C. Metastatic tumour, D. Angiosarcoma
C: Metastatic tumour
Answer: C: Metastatic tumour 
Explanation: CARDIAC HEA TUMORS PRIMARY (rare) SECONDARY (more common) MALIGNANT ANGIOSARCOMA-Adults RHABDOMYOSARCOMA - Child Secondary tumour/ Metastasis- M/C tumor in cardiac tissue Most frequent metastasis are from lung and breast carci-nomas, melanomas, leukemias, and lymphomas. BENIGN MYXOMA - Adults (most common primary cardiac tumour) RHABDOMYOMA - Children M/C pa of cardiac tissue to be affected - PERICARDIUM.