Affiliation: | 1. Division of Vascular and Interventional Radiology, Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 South Kingshighway Boulevard, St. Louis, MO 63110;2. Division of Brachytherapy, Department of Radiation Oncology, Dana-Farber/Brigham and Women''s Cancer Center, Harvard Medical School, Boston, Massachusetts |