Amir Khan Surprises Teen Cancer Survivor Ben | Stand Up To Cancer 2016 13-year-old Ben, who lost his leg to bone cancer, couldn’t believe his eyes when Amir Khan joined him in the ring during a gruelling training session for Stand Up To Cancer. Stand Up To Cancer is a joint national fundraising campaign from Cancer Research UK and Channel 4. Stand Up To Cancer funds translational research, accelerating new cancer treatments and tests to UK patients to ultimately save more lives. Amir Khan and Ben are supporting Stand Up To Cancer. For more information visit: