Characteristics of Local Recurrence Following Lumpectomy for Breast Cancer

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Abstract
We report the clinical characteristics and treatment of local breast relapse in our breast cancer patients who were initially managed with breast conservation surgery (lumpectomy) alone. A retrospective study was conducted of 366 patients who were treated since 1977. The clinical, pathological, and treatment data regarding the primary tumor and the recurrences (91) were reviewed. The actuarial rate of local breast relapse in this group was 31% at 10 years. Breast relapse was significantly less in those patients 65 years old or greater. Acceptable treatment of the breast relapse included total mastectomy or repeat lumpectomy plus radiotherapy. Most relapses were small and occurred in the same area as the original tumor and had similar histology and estrogen and progesterone receptor values. About one-third of patients will have isolated relapses after conservation surgery alone, but in the older age group, isolated breast relapse occurs less frequently. The recurrences are usually surgically resectable, and acceptable results can be achieved with salvage surgery.