Tracheobronchomalacia

**Definition:** A congenital or acquired condition of underdeveloped or degeneration of CARTILAGE in the TRACHEA and the BRONCHI. This results in a floppy non-rigid airway making patency difficult to maintain.

**Tree numbers:** - C05.182.895 - C08.127.719 - C08.907.796 - C16.131.621.953 - C17.300.182.895

**Synonyms:** - Chondromalacia of Trachea and Bronchi - Williams-Campbell Syndrome