Imaging for early stage breast cancer

Target Therapy

ER

HER2

Negative Predictive Value 95%

Immunohistochimie:RO/  E Score 0: no response

Positive Predictive Value 30-50%

Score 2-3: 20% probability of response

Score 4-6: 50% probability of response

Score 7-8: 75% probability de response

Allred Score

Leake J Clin Pathol 2000