The Zenith TX2 TAA Endovascular Graft with Pro-Form and the Z-Trak Plus™ Introduction System is indicated for the endovascular treatment of patients with aneurysms or ulcers of the descending thoracic aorta having vascular morphology suitable for endovascular repair. (Consult the Instructions for Use for a more thorough examination of the deployment protocol, indications for use, contraindications, warnings, and precautions.)