This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax, Subject name: Anatomy
The veins of the pericardium drain into 
Select and explain. 
A. Superior vena cava, B. Inferior vena cava, C. Azygos vein, D. Left brachiocephalic vein
A: Superior vena cava
Answer: A: Superior vena cava 
Explanation: The veins of pericardium drains into svc, pierced anteriorly . Ref - BDC 6th edition vol 1 pg 272