Background and Methods Conservative surgery and radiotherapy have become well-
established treatments for breast cancer, and many trials in progress are attempting to …

Background Breast-conserving surgery followed by radiotherapy is a widely accepted form
of treatment in patients with breast cancer of limited extent. Many attempts have been made …

• The extent of excision performed for mammary carcinoma prior to radiotherapy as a risk
factor for local recurrence was studied in 503 patients. Three hundred twenty-three tumors …

Background: Local disease recurrences are a concern in conservative breast cancer
surgery, and many studies have attempted to identify risk factors for these events. It is …

Background Radiotherapy prevents local recurrence of breast cancer after breast-
conserving surgery. We evaluated the effect of a supplementary dose of radiation to the …

Between 1985 and 1987 quadrantectomy plus external radiotherapy and lumpectomy plus
external and interstitial radiotherapy were compared in a randomized trial of patients with …

Purpose: To identify predicting factors for local failure and increased risk of distant
metastases by statistical analysis of the data after breast-conserving treatment for early …

Breast conservation has become well-established in the treatment of early mammary
carcinoma. However, a standardised treatment modality has not emerged. We have …

Background: The effectiveness of routine postoperative irradiation following breast-
conserving treatment of breast cancer has not previously been assessed in randomized …

Purpose Postoperative breast irradiation is considered standard after breast-preserving
surgery for cancer. We evaluated the efficacy of radiation therapy in the prevention of local …