Since there are no morphological clues capable of making a pathologist suspect a possible mammary origin of a metastatic lesion without adequate clinical information. the histologic diagnosis of brain metastasis from BC is still based on the immunohistochemical expression of mammary gland markers such as GATA-3. ERs. PgRs and HER-2. https://emporiumsmokeshopstles.shop/product-category/pipe-parts/