Minimal Breast Cancer

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Abstract
Eighty-five patients with a diagnosis of minimal breast cancer were evaluated. The predominant lesion was intraductal carcinoma, and axillary metastases occurred in association with minimal breast cancer in 7 of 96 cases. One death occurred due to minimal breast cancer. Bilateral mammary carcinoma was evident in 24% and bilateral minimal breast cancer in 13% of the patients. The component lesions of minimal breast cancer have varied biologic activity, but prognosis is good with a variety of operations. The multifocal nature of minimal breast cancer and the potential for metastases should be recognized. Therapy should include removal of the entire mammary parenchyma and low axillary nodes. The high incidence of bilateral malignancy supports elective contralateral biopsy at the time of therapy for minimal breast cancer.