Tracheobronchomalacia (TBM) is a problem characterised by diffuse or localized loss of rigidity on the trachea and mainstem bronchi, bringing about airway collapse. When the impacted portion is intrathoracic, the airway obstruction will likely be accentuated in the course of expiration. Extra seldom, the impacted part is further-thoracic and https://isaaco420fmt5.blogmazing.com/profile