1. From the Interventional Radiology Unit, Imaging Department, Gustave Roussy Cancer Campus, 114 rue Edouard Vaillant, Villejuif 94805, France (C.R., L.T., S.Y., R.S.S., A.H., C.T., G.G., T.d.B., F.D.); and Université Paris-Sud, Le Kremlin Bicêtre, France (L.T., T.d.B., F.D.).