<http://schema.org/description>
"Breast cancer is not a single disease, but a collection of diseases with dozens of different mutations that crop up with varying frequency across different breast cancer subtypes. Deeper exploration of the genetic changes that drive breast cancer is revealing new complexity in the leading cause of cancer death in women worldwide."^^<http://www.w3.org/2001/XMLSchema#string>
<http://medicalxpress.com/news/2012-06-breast-cancer-genetic.html>