Diagnosis | No of patients (n = 16) | No of stenosis (n = 21) |
---|---|---|
Malignant diseases (n = 11) | ||
Invasion by adjacent cancer | Â | Â |
   -Lung cancer | 6 | 6 |
   -Thyroid cancer | 2 | 2 |
   -Esophageal cancer | 2 | 2 |
Metastases | Â | Â |
   -Small cell carcinoma | 1 | 4 |
Benign disease (n = 5) | ||
Tumors | Â | Â |
   -Hamartoma | 1 | 1 |
   -Papillomatosis | 1 | 3 |
Post tracheal intubation stenoses | 3 | 3 |