A kidney transplant is a surgery to replace a diseased or damaged kidney with a donor kidney. The donor may be a relative or friend. The donor can also be someone who has died and donated the organs.

Anatomy of the Kidney
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A kidney transplant is done to replace a kidney that is no longer working and cannot be fixed. It may also be done if the kidney has been removed. A kidney transplant is only needed if both kidneys are not working. Common causes of kidney failure include: