title: Editorial Comment.
authors.affiliation: Department of Urology, Stanford University School of Medicine, Stanford, CA; Stanford Kidney Cancer Research Program, Stanford, CA.
authors.forename: Thomas J
authors.initials: TJ
authors.lastname: Metzner
authors.affiliation: Department of Urology, Stanford University School of Medicine, Stanford, CA; Stanford Kidney Cancer Research Program, Stanford, CA; Veterans Affairs Palo Alto Healthcare System, Palo Alto, CA.
authors.forename: John T
authors.initials: JT
authors.lastname: Leppert