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