renal cell carcinoma
(REE-nul sel KAR-sih-NOH-muh)
Cancer that begins in the lining of the tiny tubes in the kidney that return filtered substances that the body needs back to the blood and remove extra fluid and waste as urine. Renal cell carcinoma is the most common type of kidney cancer in adults. Also called hypernephroma, renal cell adenocarcinoma, and renal cell cancer.