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
Blood supply of breast by all except : 
Select and explain. 
A. Internal mammary artery, B. Intercostal vessels, C. Thoraco - dorsal branch of subscapular artery, D. Thoraco acromial artery
C: Thoraco - dorsal branch of subscapular artery
Answer: C: Thoraco - dorsal branch of subscapular artery 
Explanation: Blood supply of breast :
1. Subclavian artery:

   2nd, 3rd & 4th anterior intercostal arteries (branches of internal mammary).

2. Axillary artery :

   Superior thoracic artery.
   Thoraco acromial artery.
   Lateral thoracic artery.
   Subscapular artery.

3.  Thoracic aorta :

   2nd, 3rd & 4th posterior intercostal arteries.