Tracheomalacia

**Definition:** A congenital or acquired condition of underdeveloped or degeneration of CARTILAGE in the TRACHEA. This results in a floppy tracheal wall making patency difficult to maintain. It is characterized by wheezing and difficult breathing.

**Tree numbers:** - C05.182.895.500 - C08.907.796.500 - C16.131.621.953.500 - C17.300.182.895.500

**Synonyms:** - Chondromalacia of Trachea