"Harvard scientists at Dana-Farber Cancer Institute have identified an overactive network of growth-spurring genes that drive stem-like breast cancer cells enriched in triple-negative breast tumors..."
http://news.harvard.edu/gazette/story/2011/06/whats-behind-aggressive-breast-cancer/
(Click to link to story)
http://news.harvard.edu/gazette/story/2011/06/whats-behind-aggressive-breast-cancer/
(Click to link to story)