Trial of Endocrine Against Locoregional Therapy First in Postmenopausal Women With Early Breast Cancer

The hypothesis to be addressed in this randomized phase III trial is that 4 months of letrozole may be superior to surgery as primary therapy for early stage hormone receptor positive breast cancer in postmenopausal women, provided that these patients will receive definitive and radical surgery and adjuvant therapies as otherwise indicated at the completion of preoperative letrozole.