Wilms tumours can grow quite large without causing any symptoms. Symptoms of Wilms tumour may include:
- lump or swelling in the belly
- loss of appetite
- trouble breathing
- extreme tiredness
- blood in the urine
- high blood pressure.
Note about symptoms
Many conditions – including common childhood infections – can cause these symptoms, not just kidney tumours. If your child has any of these symptoms and you are concerned, talk to your child’s doctor.