Conditions: Breast Ductal Carcinoma In Situ; Invasive Breast Carcinoma; Multicentric Breast Carcinoma; Multifocal Breast Carcinoma; Synchronous Bilateral Breast Carcinoma
Interventions: Drug: Anastrozole; Drug: Exemestane; Other: Laboratory Biomarker Analysis; Drug: Letrozole; Other: Quality-of-Life Assessment; Drug: Systemic Chemotherapy; Drug: Tamoxifen Citrate
Sponsors: National Cancer Institute (NCI)
Active, not **RECRUITING NOW**
Source: View full study details on ClinicalTrials.gov
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