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
[{'content': 'Blood supply of breast by all except \nSelect and explain. \nA. Internal mammary aery, B. Intercostal vessels, C. Thoraco-dorsal branch of subscapular aery, D. Thoraco acromial aery', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C. i.e. Thoraco dorsal br. of subcapsular aery', 'role': 'assistant'}]