Breast Mucinous Carcinoma, also known as mucinous carcinoma of breast, is related to breast fibroadenoma and mucinous adenocarcinoma, and has symptoms including pain An important gene associated with Breast Mucinous Carcinoma is PIP (Prolactin Induced Protein), and among its related pathways/superpathways are Signaling by ERBB4 and Mammary gland development pathway - Pregnancy and lactation (Stage 3 of 4). Affiliated tissues include breast and lymph node.