Wilms tumor is a kidney cancer that usually occurs in children.
A child may develop a swollen abdomen, a lump in the belly, abdominal pain, blood in the urine, fever, or loss of appetite, though some children otherwise seem well.
Imaging helps show the kidney tumour, whether one or both kidneys are involved, and whether the disease has spread to nearby areas or the chest.
Ultrasound, CT, and MRI help define the tumor, look at the other kidney, and assess spread.
Treatment often involves pediatric oncology care, surgery, chemotherapy, and sometimes radiotherapy.
This entry explains the condition. The next step is having a radiologist interpret your specific scan, not a general definition.