Anastrozole or Tamoxifen in Treating Postmenopausal Women With Ductal Carcinoma in Situ Who Are Undergoing Lumpectomy and Radiation Therapy
Status: COMPLETED
Study type: INTERVENTIONAL
Conditions: Breast Cancer
Interventions: DRUG: anastrozole|DRUG: tamoxifen citrate|RADIATION: Radiation Therapy
Sponsor: NSABP Foundation Inc
Collaborators: National Cancer Institute (NCI)|North Central Cancer Treatment Group|SWOG Cancer Research Network|American College of Surgeons