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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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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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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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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Wanted: Specially Designed Tools For Pediatric Surgery

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Doctors who talk to a patient before surgery are less likely to operate on the wrong limb than those who first see the patient when he or she arrives in the operating room. iStockphoto.com hide caption

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