Tracheobronchomegaly is a very rare congenital disorder of the lung primarily characterized by an abnormal widening of the upper airways. The abnormally widened trachea and mainstem bronchi are associated with recurrent lower respiratory tract infection and copious purulent sputum production, eventually leading to bronchiectasis and other respiratory complications.
Woodring et al. (1991) suggested the following diagnostic criteria for tracheomegaly in adults based on chest radiography:
Adult Males: ...
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