Table 1.

Causes of airway obstruction and distribution of patients

Causes of airway obstruction	Number of patients (%) N = 56
Lung cancer	34 (60.7%)
Post-intubation stenosis	18 (32.1%)
Thyroid cancer	1 (1.8%)
Esophageal cancer	2 (3.6%)
Intrathoracic goitre	1 (1.8%)