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Supplementary Material for: Rectal Carcinoma Metastatic to the Male Breast after 7 Years: Case Report

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posted on 23.09.2011, 00:00 by Wang T., Lv Y.-G., Yan Q.-G., Yuan S.-F., Ling R., Chen J.-H., Chen L., Yi J., Wang L.
Background: Colorectal cancer metastasis to a mammary location is very rare. Case Report: A 38-year-old male, who had undergone anterior resection of an advanced rectal carcinoma 7 years earlier, presented with a right mammary mass. Core needle biopsy of the mass indicated cytology consistent with breast adenocarcinoma. After neoadjuvant chemotherapy and modified radical mastectomy, pathology identified the mass as rectal carcinoma. Conclusion: The authors highlight the difficulty of making an accurate diagnosis of rectal cancer metastasis to the breast of a male.