It was reported that the stent failed to fully open and the patient experienced pain.The 14mm diameter target lesion was located in the renal vein.After the 260cm amplatz was passed through, a 14x40/9fr uni plus 75cm wallstent endoprosthesis was used for treatment.However, the stent failed to fully expand and then became too long to touch the inferior vena cava (ivc).The patient began to feel pain.When the physician looked at the image, he found out that the aorta and the superior mesenteric artery were oppressed and thought it might have caused the wallstent to not to fully expand.The physician worried about ivc rupture.The patient was arranged for prolonged hospitalization and observation.
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