title: Editorial Comment.
authors.affiliation: Department of Urology, The University of Texas MD Anderson Cancer Center, Houston, TX.
authors.forename: Michael J
authors.initials: MJ
authors.lastname: Metcalfe
authors.affiliation: Department of Urology, The University of Texas MD Anderson Cancer Center, Houston, TX.
authors.forename: Surena F
authors.initials: SF
authors.lastname: Matin