MONDO_0003087 (mucoepidermoid breast carcinoma) is a carcinoma of the breast characterized by pools of mucin and islands of malignant squamous cells. Mucoepidermoid carcinomas of the breast are extremely rare. Also known as: breast mucoepidermoid carcinoma, mucoepidermoid carcinoma of breast, mucoepidermoid carcinoma of the breast.