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
The overall hea size in tetralogy of Fallot is usually: 
Select and explain. 
A. Markedly enlarged, B. Normal or relatively small, C. Slightly enlarged, D. Moderately enlarged
B: Normal or relatively small
Answer: B: Normal or relatively small 
Explanation: Ans. Normal or relatively small