Robert J. Lewandowski, M.D., FSIR (IMAGE) Society of Interventional Radiology Caption Robert J. Lewandowski, M.D., an interventional radiologist, and fellow researchers say that yttrium-90 (Y-90) radioembolization, was safe and provided disease stabilization in 98.5 percent of women's treated liver tumors that had metastasized from the breast. Credit Courtesy Robert Lewandowski and the Society of Interventional Radiology. Usage Restrictions Please respect embargo date License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.