On May 20, 2008, Kennedy was diagnosed with a brain tumor, which was treated with surgery, chemotherapy and radiation.<ref>http://www.cnn.com/2008/POLITICS/05/20/kennedy.tumor/index.html</ref> He succumbed to the disease on August 25, 2009. | On May 20, 2008, Kennedy was diagnosed with a brain tumor, which was treated with surgery, chemotherapy and radiation.<ref>http://www.cnn.com/2008/POLITICS/05/20/kennedy.tumor/index.html</ref> He succumbed to the disease on August 25, 2009. |