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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms



Wilms tumor  listen  (wilmz TOO-mer)

  A disease in which malignant (cancer) cells are found in the kidney, and may spread to the lungs, liver, or nearby lymph nodes. Wilms tumor usually occurs in children younger than 5 years old.

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Anatomy of the female urinary system; drawing shows a front view of the right and left kidneys, the ureters,  urethra, and bladder filled with urine. The inside of the left kidney shows the renal pelvis. An inset shows the renal tubules and urine. The spine, adrenal glands, and uterus are also shown.