A rare carcinoma of the esophagus which contains squamous cells, mucus secreting cells, and cells of an intermediate type. (WHO). The disease is mucoepidermoid esophageal carcinoma (MONDO_0003093). Also known as: esophagus mucoepidermoid carcinoma, mucoepidermoid carcinoma of the esophagus, mucoepidermoid carcinoma of the oesophagus, oesophagus mucoepidermoid carcinoma.