Breast Metaplastic Carcinoma, also known as metaplastic carcinoma of the breast, is related to breast mucoepidermoid carcinoma and adenosquamous breast carcinoma, and has symptoms including pain An important gene associated with Breast Metaplastic Carcinoma is KRT5 (Keratin 5), and among its related pathways/superpathways are Signaling by Receptor Tyrosine Kinases and COPI-independent Golgi-to-ER retrograde traffic. The drugs Paclitaxel and Histamine have been mentioned in the context of this disorder. Affiliated tissues include breast and skin, and related phenotypes are limbs/digits/tail and neoplasm