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: Radiology
Egg in cup appearance is seen in 
Select and explain. 
A. TGA, B. TAPVC, C. Constrictive pericarditis, D. TOF
C: Constrictive pericarditis
Answer: C: Constrictive pericarditis 
Explanation: Egg in cup - Constrictive pericarditis
Egg on side - Uncorrected TGA