A carcinoma that arises from the salivary glands. It is the most common primary carcinoma of the salivary glands and usually presents as a firm and painless mass. It is characterized by the presence of epidermoid cells, mucus producing cells, and cells of intermediate type. The majority of cases have a favorable outcome. The disease is MONDO_0021009 (salivary gland mucoepidermoid carcinoma). Also known as: mucoepidermoid carcinoma of salivary gland, mucoepidermoid carcinoma of the salivary gland, saliva-secreting gland mucoepidermoid carcinoma.