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: Anatomy
Boundary of triangle of auscultation is not formed by - 
Select and explain. 
A. Serratus anterior, B. Scapula, C. Trapezius, D. Latissimus dorsi
A: Serratus anterior
Answer: A: Serratus anterior 
Explanation: -        Boundaries of triangle of auscultation

   Medial- Trapezius
   Lateral- Scapula
   Inferior- latissimus dorsi