Illustration showing endovascular repair for thoracic aortic aneurysm

In endovascular thoracic aortic aneurysm repair, the surgeon inserts a thin, flexible tube (catheter) through an artery in the groin area and guides it to the aorta. A metal mesh tube (graft) on the end of the catheter is placed at the aneurysm site. It's secured with small hooks or pins. The graft strengthens the weakened section of the aorta to prevent rupture of the aneurysm.

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