To treat a rare type of aggressive bone cancer, 11-year-old Bailey Moody underwent a radical surgical procedure called rotationplasty. Surgeons removed the knee and replaced it with her ankle, rotating the joint so it bends in the same direction as the knee did. A year later, the girl and her family remain happy about their decision. "She was an athlete and she didn't want to have to give up sports," her parents explained.
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