Kidney cancer

Cancer that forms in tissues of the kidneys. There are many different types of kidney cancer, including renal cell carcinoma (RCC), transitional cell cancer (TCC) of the renal pelvis, and Wilms tumor. RCC is the most common type of kidney cancer in adults. It forms 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. TCC of the renal pelvis is kidney cancer that forms in the center of the kidney where urine collects. Wilms tumor is a type of kidney cancer that usually develops in children.