关键词: 乳腺癌, 转移, 靶向治疗

Abstract: 【Abstract】〓Breast cancer is the most common cancer in women,which continues to be a major cause of morbidity among women in China..Molecular-targeted therapyhas become a critical focus of cancertherapy..Gefitinib is a specific inhibitor of epidermal growth factor receptor-associated tyrosinekinase, which has been commonly used in the standard first-line treatment for NSCLC patients with EGFR mutations..Recently,several foreign clinical studies show that gefitinib is active in patients with breast cancer, but present domestic related clinical researches are extremely rare. We describe the case of a patient that was diagnosed with metastatic breast cancer treated with gefitinib therapy.

Key words: Breast Cancer, Metastatic, Target therapy