[A Case of a Bulky Axillary Ectopic Breast Cancer Which Successfully Resected after Chemotherapy(Docetaxel)]
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Updated: Feb 14, 2026

Endoscopic Bilateral Nipple-sparing Mastectomy via a Single Axillary Incision with Immediate Pre-pectoral Implant-based Breast Reconstruction
Published on: May 17, 2024
Miyuki Takahashi1, Yuki Suematsu, Shunsuke Yamagishi
1Dept. of Surgery, National Disaster Medical Center.
Abstract:
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.
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