Arthistology of Breast Cancer

This is a digital-modified photo of a breast cancer case. The tumor from a mastectomy was fixed in formalin and embedded in paraffin, then human epidermal growth factor receptor 2 (HER2) immunohistochemistry was made. This is a HER2 positive breast cancer, a molecular subtype of cancer with poor prognosis. Nowadays, the treatment with a monoclonal antibody directed to HER2 receptor, could reach the complete pathologic response.

 

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