Granular cell tumors (myoblastomas) of the tracheobronchial tree.
D001984:Bronchial Neoplasms / Q000473:pathology*; D006801:Humans; D008297:Male; D008853:Microscopy; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000473:pathology*; D009379:Neoplasms, Muscle Tissue / Q000473:pathology*