Age

18–any

Sex

ALL

Healthy volunteers

Not accepted

Absence of clinical and pathological data that would compromise the definition of the study endpoints
HER2 positive (ICH 2+ and FISH positive or HER2 3 +) or triple negative disease
Previous chemotherapy for treatment of metastatic disease

Estrogen Receptors and HER2 Levels' Expression in Luminal Metastatic Breast Cancer