Clinical radiology
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To evaluate the mid-term safety and efficacy of a retrieval stent filter and 30mm balloon dilator in the treatment of Budd-Chiari syndrome (BCS) patients with chronic inferior vena cava (IVC) thrombosis. ⋯ The preliminary results indicate that the retrieval stent filter and 30mm balloon dilator are a safe and effective treatment for BCS patients with chronic IVC thrombosis.