<unk>  (also called tracheobronchomegaly) is a very rare disease of the lungs and airways where the trachea and bronchi become abnormally wide. This leads to sputum collection in the lungs which results in repeated chest infections and bronchiectasis.
Mounier-Kuhn syndrome
Weber's syndrome
Grisel's syndrome
Fabry's disease
Fox-Fordyce disease
Townes-Brocks syndrome
Kashani-Strom-Utley syndrome
Minkowski-Chauffard syndrome