Letrozole or Tamoxifen Citrate in Treating Older Postmenopausal Women Undergoing Surgery for Breast Cancer RATIONALE: Estrogen can cause the growth of breast cancer cells. Hormone therapy using letrozole may fight breast cancer by blocking the uptake of estrogen. Tamoxifen citrate may fight bre...

• Pays France
• Organes Aucun
• Spécialités Aucune

Breast-Conserving Surgery Techniques in Treating Women With Breast Cancer RATIONALE: Breast-conserving surgery is a less invasive type of surgery for breast cancer and may have fewer side effects and improve recovery. PURPOSE: This phase II trial is studying di...

• Pays Aucun
• Organes Aucun
• Spécialités Aucune