Kidney Cancer. Definition

Medical Definition: Kidney Cancer

Cancer that forms in tissues of the kidneys. Kidney cancer includes renal cell carcinoma (cancer that forms in the lining of very small tubes in the kidney that filter blood and remove waste products) and renal pelvis carcinoma (cancer that forms in the center the kidney where urine collects). It also includes Wilms tumor, a type of kidney cancer that usually develops in children under 5 years old.

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