Letrozole in Preventing Cancer in Postmenopausal Women Who Have Received 4-6 Years of Hormone Therapy for Hormone Receptor-Positive, Lymph Node-Positive, Early-Stage Breast Cancer
Status: COMPLETED
Study type: INTERVENTIONAL
Conditions: Breast Cancer
Interventions: DRUG: Letrozole|DRUG: Letrozole
Sponsor: ETOP IBCSG Partners Foundation
Collaborators: Breast International Group