title: Editorial comment.
authors.affiliation: James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, MD.
authors.forename: Brian R
authors.initials: BR
authors.lastname: Matlaga
mesh_terms: D005260:Female; D006801:Humans; D007669:Kidney Calculi / Q000601:surgery*; D008297:Male; D009403:Nephrostomy, Percutaneous / Q000379:methods*; D056888:Patient Positioning