Adjuvant Radiation Therapy Compared With Observation After Surgery in Treating Women With Estrogen Receptor Positive or Progesterone Receptor Positive Ductal Carcinoma In Situ of the Breast Who Are Receiving Tamoxifen or Anastrozole
Status: UNKNOWN
Study type: INTERVENTIONAL
Conditions: Breast Cancer
Interventions: DRUG: anastrozole|DRUG: tamoxifen citrate|PROCEDURE: adjuvant therapy|RADIATION: radiation therapy
Sponsor: Institute of Cancer Research, United Kingdom