Table 12.

Tracheal tumor

	Cases	30-Day mortality		Hospital mortality
		Hospital	After discharge
4. Tracheal tumor	98	1 (1.0)	2 (2.0)	1 (1.0)
A. Primary malignant tumor
Histological classification
Squamous cell carcinoma	17	0	1 (5.9)	0
Adenoid cystic carcinoma	17	0	0	0
Mucoepidermoid carcinoma	2	0	0	0
Others	13	0	0	0
Total	49	0	1 (2.0)	0
B. Metastatic/invasive malignant tumor, e.g. invasion of thyroid cancer
	30	0	1 (3.3)	1 (3.3)
C. Benign tracheal tumor
Histological classification
Papilloma	3	0	0	0
Adenoma	2	0	0	0
Neurofibroma	0	0	0	0
Chondroma	0	0	0	0
Leiomyoma	1	0	0	0
Others	13	0	0	0
Histology unknown	0	0	0	0
Total	19	0	0	0
Operation
Sleeve resection with reconstruction	17	0	0	0
Wedge with simple closure	2	0	0	0
Wedge with patch closure	0	0	0	0
Total laryngectomy with tracheostomy	0	0	0	0
Others	2	0	0	0
Unknown	0	0	0	0
Total	21	0	0	0

(), Mortality %