We sescribe a 53-year-old woman with tumor marker abnormality caused by an umbilical metastasis from breast cancer. She had undergone breast conservation therapy (BCT) for breast cancer (T2N1M0) 9 years previously. Umbilical metastasis was detected 9 months after tumor marker elevation was first noted. After resection of the umbilical metastasis, tumor marker level decreased immediately and normalized. The patient is alive without other metastasis.
umbilical metastasis breast cancer tumor marker sonography computed tomography
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