Canadian Cancer Society logo

Wilms tumour

You are here: 

Symptoms of Wilms tumour

Wilms tumour may not cause any signs or symptoms in its early stages. The kidneys are deep in the body and do not have very many nerves, so these tumours may grow without causing pain or discomfort. Symptoms appear once the tumour grows into surrounding tissues and organs.Other health conditions can cause the same symptoms as Wilms tumour.

Symptoms of Wilms tumours include:

  • a painless lump in or swelling of the abdomen
  • pain in the abdomen
  • blood in the urine, which is called hematuria
  • high blood pressure
  • fever
  • anemia
  • upset stomach
  • weight loss
  • loss of appetite
  • veins across the abdomen that appear larger than normal, or distended
  • feeling generally unwell or weak
  • fatigue
  • shortness of breath (if cancer has spread to the lungs)

Stories

Mary Antonenko We all need our own personal support system, but no matter how good your own personal support system is, it’s not the same as connecting with other survivors.

Read Mary's story

Cancer information in over a hundred languages

Illustration of question mark

The Canadian Cancer Society’s Cancer Information Service (CIS) is Canada’s only national, bilingual, toll-free service that offers personalized comprehensive cancer information in over 100 languages.

Learn more