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The images of the extravascular stent placement. a, The migrated endovascular stent was inside the left renal vein (green arrow), and the left adrenal central vein (black arrow) was ligated and transected. The aorta (blue arrow); the inferior vena cava (white arrow). b, Intraoperative photograph demonstrated the graft (black arrow) was wrapped around the renal vein. c, The graft was fixed together at each ring and sewn to the adventitia of the abdominal aorta
