The tumor can be up to 2 3/4 inches (7 centimeters) in diameter. The cancer is only in one kidney and completely contained within it.
Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.
Check out these best-sellers and special offers on books and newsletters from Mayo Clinic Press.
Make your tax-deductible gift and be a part of the cutting-edge research and care that's changing medicine.