Pleomorphic adenoma (benign "mixed" tumor) of the human female breast. Case report.

A case of solitary pleomorphic adenoma, ("mixed" tumor of salivary gland type) of the left breast associated with the right breast fibroadenoma in 43-year-old woman is reported. The paper describes clinical, cytological, immunohistological and pathological findings in this case and indicates the importance of separating this benign entity from malignances with stromal metaplasia.