MIT biologists discover how cancer cells make their escape

[News]

About 90 percent of cancer deaths are caused by tumors that have spread from their original locations. This process, known as metastasis, requires cancer cells to break loose from their neighbors and from the supportive scaffold that gives tissues their structure.

More... (http://www.news-medical.net/news/20140311/MIT-biologists-discover-how-cancer-cells-make-their-escape.aspx)