In 1985, breast cancer will be diagnosed in approximately 120,000 women; in 90% of these women, the disease will apparently be limited to the breast and axillary lymph nodes. Despite advances in early diagnosis and primary treatment with surgery, radiation therapy, or both, more than a third of these patients will develop systemic disease and ultimately die. In the broadest sense, all of these patients are potential candidates for some form of systemic adjuvant therapy.
Adjuvant therapy of breast cancer involves the use of cytotoxic drugs or endocrine therapy after definitive primary therapy. The rationale is to eradicate occult metastatic disease that otherwise would be fatal.
The goal of adjuvant therapy is to significantly prolong survival, while maintaining an acceptable quality of life. Three measures are important in evaluating whether this goal is met by specific treatments:
The effect of therapy on overall survival: the length of time a
Adjuvant Chemotherapy for Breast Cancer. JAMA. 1985;254(24):3461–3463. doi:10.1001/jama.1985.03360240073038
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