Wilms' tumor

A kidney cancer that mainly affects children ages 3 to 4.

A kidney cancer that mainly affects children ages 3 to 4.

Wilms tumor is a kidney cancer that mainly affects children ages 3 to 4. The condition can affect one or both kidneys.

Symptoms may include swelling or a mass in the belly, belly pain and bloody urine.

Treatments may include surgery, chemotherapy and radiation therapy.