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Surgeons perform a kidney transplant at The Queen Elizabeth Hospital Birmingham on June 9, 2006, in Birmingham, England. A surgeon in Florida recently settled a lawsuit stemming from his mistaken removal of a woman's kidney during an April 2016 back surgery. Dr. Ramon Vazquez, a general surgeon, removed what he thought was a cancerous mass in Maureen Pacheco's pelvic area. It turned out to be her left kidney.