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: Surgery
Flap commonly used in breast reconstruction is? 
Select and explain. 
A. Serratus anterior, B. TRAM, C. Flap from arm, D. Delto pectoral flap
B: TRAM
Answer: B: TRAM 
Explanation: Ans. is 'b' i.e. TRAM