... (RAY-dee-AY-shun on-KAH-loh-jist): A doctor who specializes in using radiation to treat cancer.Radiation therapy (RAY-dee-AY-shun THAYR-uh-pee): The use of high-energy radiation from x-rays,gamma ... organ.Partial nephrectomy (PAR-shul neh-FREK-toh-mee):Surgery to remove part of one kidney or a kidneytumor, but not an entire kidney.Pathologist (puh-THAH-loh-jist): A doctor whoidentifies ... x-rays,gamma rays, neutrons, protons, and other sources to kill cancer cells and shrink tumors. Radical nephrectomy (RA-dih-kul neh-FREK-toh-mee): Surgery to remove an entire kidney, nearbyadrenal...