A cross-sectional X-ray shows what's called a "sunken chest." The bright circle near the bottom is the spine; the gray blob on the right is the heart. Living LLC/Getty Images hide caption

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Living LLC/Getty Images

Magnets May Pull Kids With Sunken Chests Out Of Operating Room

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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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Organ Donation Has Consequences Some Donors Aren't Prepared For

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What Clementines Can Teach Surgeons

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Budding scientists, engineers and doctors lined up to try surgical robots from Intuitive Surgical at a science festival in Washington, D.C., over the weekend. Scott Hensley/NPR hide caption

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Scott Hensley/NPR

Young-min Kwon of Massachusetts General Hospital holds the metal-alloy ball of Susy Mansfield's faulty artificial hip joint. The yellowish tissue on top is dead muscle caused by a reaction to the metal debris produced by the defective hip implant. Richard Knox/NPR hide caption

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Richard Knox/NPR

Prone To Failure, Some All-Metal Hip Implants Need To Be Removed Early

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The Big Squeeze: Calif. Weight Loss Clinics Under Investigation

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Surgeons often need specially designed tools to operate on small children. istockphoto.com hide caption

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istockphoto.com

Wanted: Specially Designed Tools For Pediatric Surgery

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