NHLBI researchers, in partnership with Loyola University Chicago, seek individuals with kidney cancer for a new treatment study using gene therapy. Gene therapy is a process of modifying a person's immune system to create tumor fighting cells to recognize and kill their cancer. Study-related procedures, tests and medications are provided at no cost. For more information, call the NIH Clinical Center Office of Patient Recruitment 866-444-2214 (800-877-8339 TTY/ASCII). Self-referrals are welcome. Refer to NIH Study 18-H-0012.