Table 10 Total entry cases of general thoracic surgery during 2013

	Cases	%
Benign pulmonary tumor	948	1.3
Primary lung cancer	37,008	49.1
Other primary malignant pulmonary tumor	362	0.5
Metastatic pulmonary tumor	7829	10.4
Tracheal tumor	85	0.1
Mesothelioma	439	0.6
Chest wall tumor	692	0.9
Mediastinal tumor	4780	6.3
Thymectomy for MG without thymoma	253	0.3
Inflammatory pulmonary disease	3445	4.6
Empyema	2368	3.1
Bullous disease excluding pneumothorax	566	0.8
Pneumothorax	14,612	19.4
Chest wall deformity	403	0.5
Diapharagmatic hernia including traumatic	101	0.1
Chest trauma excluding diaphragmatic hernia	434	0.6
Lung transplantation	61	0.1
Others	920	1.2
Total	75,306	100.0