AP - Doctors have given a woman a new windpipe with tissue grown from her own stem cells, eliminating the need for anti-rejection drugs. "This technique has great promise," said Dr. Eric Genden, who did a similar transplant in 2005 at Mount Sinai Hospital in New York. That operation used both donor and recipient tissue. Only a handful of windpipe, or trachea, transplants have ever been done.

AP - If breast cancer runs in the family, women can be at high risk even if they test free of the disease's most common gene mutations, sobering new research shows. The genes BRCA1 and BRCA2 are linked with particularly aggressive hereditary breast cancer, and an increased risk of ovarian cancer, too.

AP - What was left of Dan Sivia's ankle simply didn't work. He limped through his 30s by sheer force of will, one foot almost completely immobile from repeated broken bones and surgeries. Then a doctor offered his last hope: An ankle replacement. A what? Sivia knew about hip, knee, even shoulder replacements. But ankles?