[Symposium on thoracic surgery in China].
D004938:Esophageal Neoplasms / Q000601:surgery*; D006801:Humans; D008175:Lung Neoplasms / Q000601:surgery*; D029424:Pulmonary Disease, Chronic Obstructive / Q000601:surgery; D019616:Thoracic Surgical Procedures; D013906:Thoracoscopy