Toddler Born Without a Windpipe Gets Artificial Trachea

In a groundbreaking feat of science and surgery, a Korean toddler born without a windpipe received an artificial trachea made from her own stem cells. Hannah Warren, 2½, was born with tracheal agenesis, a rare and usually fatal birth defect. She had spent her entire life in a neonatal intensive care unit in a hospital in Seoul, South Korea, unable to breathe, swallow, eat or drink on her own. But after a nine-hour marathon operation to implant a windpipe made of nanofiber mesh coated with her...Full Story