tracheobroncheopathia osteoplastica

tra·che·o·bron·che·o·pa·thi·a os·te·o·plas·ti·ca

(trā'kē-ō-brong'kē-ōpa'thē-ă os'tē-ō-plas'ti-kă),
A benign submucoid tumor or series of tumors that ossify near the tracheal walls.