This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Figure of 8 in chest X-ray ? 
Select and explain. 
A. Supracardiac TAPVC, B. Tetralogy of fallot, C. TGA, D. None of above
A: Supracardiac TAPVC
Answer: A: Supracardiac TAPVC 
Explanation: Ans. is 'a' Supracardiac TAPVC Teralogy of fallot--* boot shaped hea Transposition of great vessel-* egg on side TPVC (supracardioe) --> snownan or figure of 8 configuration