Influence of Body Composition on Chemotherapy Outcomes in Localized Breast Cancer

Inclusion Criteria: * Woman older than * Early breast cancer * CT-scan of less than 3 months, including L3 level * Indication of docetaxel at 100 mg/m² as adjuvant CT Exclusion Criteria: * HER2 amplified or triple negative tumors * Pregnant or breastfeeding women * Patients under guardianship or curatorship * Concomitant administration of another cytotoxic drug or targeted therapy * Psychosocial disorder * Administration of another cytotoxic drug or targeted therapy within 20 days prior to blood collection