According to the initial reporter, the resonance stent was noted to be occluded.Hydronephrosis was noted in the left kidney.The stent was removed with cystoscopic graspers and a plastic stent was placed.Further information provided indicates, the patient had two failed 6x24 resonance stents in her left ureter that were replaced with two more 6x24 resonance stents.Indwelling time is approximately 6 months.