title: Editorial comment.
authors.forename: Marco
authors.initials: M
authors.lastname: Castagnetti
mesh_terms: D002404:Catheterization; D004724:Endoscopy / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D015607:Stents; D014517:Ureteral Obstruction / Q000601:surgery*