Surgery of a aneurysm of the descending aorta
Also see images:
Fig. 3c |Fig. 3d |Fig. 3e
The descending aorta is the part of the aorta, following right after the aortic arch.
A surgery is necessary in cases of large aneurysms, which compress other organs as well as in cases of lumen compression though thrombotic material, a fast increase in size and clinical symptoms.