Anatomy Branches of which of the following aery provides main blood supply to the medial pa of the breast? A Lateral thoracic aery B Acromio Thoracic aery C Internal mammary aery D Posterior intercostal aeries 💡 Explanation Branches of which of the following aery provides main blood supply to the medial pa of the breast? ✓ Correct Answer: C. Internal mammary aery