Radiation Therapy With or Without Optional Tamoxifen in Treating Women With Ductal Carcinoma in Situ
Radiation Therapy Oncology Group
Radiation Therapy Oncology Group
Abramson Cancer Center at Penn Medicine
National Cancer Institute (NCI)
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Virginia Commonwealth University
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
SWOG Cancer Research Network
National Cancer Institute (NCI)