Mucoepidermoid tumors of the bronchial tree are uncommon neoplasms, which are believed to arise from ductular epithelium of glands of the proximal tracheobronchial trees.

• 摘要肺部的黏液表皮样癌是相当少见的癌症。一般认为是来自于近端大支气管腺体的上皮细胞。