title: Invited commentary.
authors.affiliation: São Paulo Federal University, R. Borges Lagoa, 1080-cj. 701, São Paulo SP, 04038-002 Brazil. enio.buffolo@terra.com.br
authors.forename: Enio
authors.initials: E
authors.lastname: Buffolo
mesh_terms: D001013:Aorta, Thoracic / Q000601:surgery*; D017545:Aortic Aneurysm, Thoracic / Q000401:mortality / Q000601:surgery; D019917:Blood Vessel Prosthesis Implantation / Q000379:methods*; D017052:Hospital Mortality; D006801:Humans; D015607:Stents