Patient history, CT scan of neck and chest, fiberoptic bronchoscopy, and spirometry are all several ways to assess for<unk>  and effectively develop preoperational approaches to treating the disease. In addition, a methodology called the Cotton-Myer system is commonly used to evaluate the degree of severity of the<unk>  based on the percentage of obstruction; other systems have also been proposed to fill potential shortcomings of the Cotton-Myer classification and help capture the full complexity of the illness.
Laryngotracheal stenosis
Tracheobronchomalacia
Laryngomalacia
Subglottic stenosis
Tracheal deviation
Tracheoinnominate fistula
Tracheomalacia
Glossoptosis