Legend. Repositionable valved stent for endovascular treatment of deteriorated bioprostheses. Compressedexpanded valved stent (top, left and middle). Stent is purposely misplaced proximally inside the failed bioprosthesis and recompressed and delivered appropriately (bottom, left and middle). Fluoroscopy (top, right) and pathology (bottom, right) shows repositioned valved stent in the failed bioprosthesis. See pages 1366 and 1367.