Tamoxifen Citrate or Letrozole With or Without Bevacizumab in Treating Women With Stage IIIB or Stage IV Breast Cancer
Conditions
- Invasive Breast Carcinoma
- Recurrent Breast Carcinoma
- Stage III Breast Cancer AJCC v6
- Stage IV Breast Cancer AJCC v6 and v7
Interventions
- BIOLOGICAL: Bevacizumab
- OTHER: Laboratory Biomarker Analysis
- DRUG: Letrozole
- OTHER: Questionnaire Administration
- DRUG: Tamoxifen Citrate
Sponsor
National Cancer Institute (NCI)