What does ascending aortic widening mean?

Widening of the ascending aorta is often a manifestation of dilatation of the ascending aorta. The elastic fibers in the middle layer of the ascending aorta become brittle, and the arterial wall is damaged. Then the artery gradually expands and widens. The main causes of widening of the ascending aorta are related to atherosclerosis, hypertension, infection, etc.