Institut Gustave Roussy, sometimes called Gustave Roussy, is a cancer research hospital in Europe. It is located near Paris. It is named after Gustave Roussy, a Swiss-French neuropathologist. In April 2019, three new interventional radiology rooms were inaugurated, making it the largest facility of this type in Europe dedicated to oncology. Gustave Roussy carries out more than 4,000 interventional radiology procedures each year.