[A Case of a Bulky Axillary Ectopic Breast Cancer Which Successfully Resected after Chemotherapy(Docetaxel)].

A 78-year-old woman presented with a right axillary mass.With an incisional biopsy a diagnosis of invasive ductal carcinoma was achieved.In the whole body search, any primary focus including the breast was unclear, advanced occult breast cancer with supraclavicular lymph node metastases was diagnosed.Administration of 3 courses of docetaxel achieved disappearance of supraclavicular lymph node and reduction of an axillary mass.Right axillary lymph node dissection could be successfully performed.Pathological report showed a right ectopic cancer with right axillary lymph node metastases.The patient has been well without any relapse for 3 years.