Simple blood test that predicts if a woman"s breast cancer is likely to return

Simple blood test that predicts if a woman's breast cancer is likely to return Test detects genetic changes in DNA that could signal return of most common form of breast cancer Early warning could spare some women unnecessary treatment with gruelling anti-cancer drugs By Fiona Macrae PUBLISHED: 17:37 GMT, 18 January 2013 | UPDATED: 18:21 GMT, 18 January 2013 A simple blood test could predict if the most common form of breast cancer will come back after treatment, say scientists.