... nephrectomy (RA-dih-kul neh-FREK-toh-mee): Surgery to remove an entire kidney, nearbyadrenal gland and lymph nodes, and other surroundingtissue.Radiofrequency ablation (RAY-dee-oh-FREE-kwen-see ... radiation to treat cancer. Radiation therapy (RAY-dee-AY-shun THAYR-uh-pee): The use of high-energy radiation from x-rays,gamma rays, neutrons, protons, and other sources to kill cancer cells ... tissue to look for cancer cells is a biopsy. In some cases, your doctor will doa biopsy to diagnose kidney cancer. Your doctorinserts a thin needle through your skin into thekidney to remove...