Radiation Therapy With or Without Optional Tamoxifen in Treating Women With Ductal Carcinoma in Situ
Status: COMPLETED
Study type: INTERVENTIONAL
Conditions: Breast Cancer
Interventions: DRUG: tamoxifen citrate|PROCEDURE: adjuvant therapy|RADIATION: radiation therapy
Sponsor: Radiation Therapy Oncology Group
Collaborators: National Cancer Institute (NCI)|Cancer and Leukemia Group B|NCIC Clinical Trials Group|NRG Oncology