Surgeons transplant a kidney in 8-year-old Sarah Dickman at Children's Healthcare of Atlanta in 2008. The proposed changes in the transplant list attempt to maximize kidney life in young patients. John Bazemore/AP hide caption

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Most living kidney donors return to their daily lives in a matter of weeks, but for some, unforeseen physical and financial complications arise. iStockphoto.com hide caption

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Doctors perform a kidney transplant operation in Spain in 2010. One in three people with kidney failure has antibodies that make it hard to receive a transplant, but a new treatment can get rid of them prior to transplant. Xurxo Lobato/Cover/Getty Images hide caption

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