Which of the following statements about the internal thoracic artery is INCORRECT
A. It is a branch off the subclavian artery
B. It communicates with the inferior epigastric artery via the superior epigastric artery
C. For part of its length, it is found in the middle mediastinum
D. Blood in the artery can reach the descending aorta via anterior and posterior intercostal arteries if there was a coarctation of the arch of the aorta