Wilms' Tumor
Signs and Symptoms

Children with Wilms' tumor may experience many different symptoms. The following, however, are the most common:

• Mass or lump, which causes no tenderness, in the abdomen
• Pain in the abdomen from pressure on other organs near the tumor
• Swelling of the abdomen
• Veins that appear distended or large across the abdomen
• Blood in the urine
• Decreased appetite
• Fever
• High blood pressure
• Weakness or tiredness

Reviewed by health care specialists at UCSF Benioff Children's Hospital.
Last updated June 17, 2010