But if the area between the aneurysm and the renal arteries is too slight for a conventional commercially-made ordinary stent, then you need to go to Cleveland
Clinic (which uses commercially made fenestrated stents from Australia),
Mayo Clinic (surgeon-modified stents), Emory in Atlanta (talk to Dr. Ricotta, from Mayo, adept at what they call surgeon modified "fenestrated" stents, or to the University of California, San Francisco.