title: Invited commentary.
authors.affiliation: Cardiac Transplantation, Penn State Milton S. Hershey Medical Center, Penn State Hershey Heart & Vascular Institute, 500 University Dr H165, PO Box 850, Hershey, PA 17033-0850, USA. ncavarocchi@hmc.psu.edu
authors.forename: Nicholas C
authors.initials: NC
authors.lastname: Cavarocchi
mesh_terms: D006348:Cardiac Surgical Procedures / Q000379:methods / Q000401:mortality*; D006801:Humans; D009767:Obesity, Morbid / Q000175:diagnosis / Q000401:mortality* / Q000601:surgery; D011379:Prognosis; D016019:Survival Analysis