left ureteral stent placementureteral stent side effectsureteral stent placement procedurecystoscopy ureteral stent placementantegrade ureteral stent placementmemokath ureteral stentbilateral stent placementpermanent ureteral stentureteral stent infectionindwelling ureteral stentantegrade ureteric stentpain after ureteral stent placement
