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
Superior vena cava opens into right atrium at the level of 
Select and explain. 
A. T1, B. T3, C. T4, D. T5
D: T5
Answer: D: T5 
Explanation: SVC open into right atrium at the level of T5 . Ref - BDC 6th edition vol 1 pg272