In women 70 years of age or older who have early breast cancer, it is unclear whether lumpectomy plus tamoxifen is as effective as lumpectomy followed by tamoxifen plus radiation therapy.
Avon Comprehensive Breast Evaluation Center, Breast/Ovarian Cancer Genetics and Risk Assessment Program, Massachusetts General Hospital, Division of Surgical Oncology, Boston 02114, USA. kshughes@partners.org