mucoepidermoid carcinoma
A carcinoma morphologically characterized the presence of cuboidal mucous cells, goblet-like mucous cells, squamoid cells, cystic changes, and a fibrotic stromal formation. It can occur in several anatomic sites, including parotid gland, oral cavity, paranasal sinus, skin, breast, lung, larynx, and lacrimal ducts. It is classified as low or high grade.