Objective to study the feasibility of treatment of esophageal diseases by videoassistedthoracoscopicsurgery (VATS).
目的探讨胸腔镜治疗食管疾病的可行性，并介绍手术具体操作方法。
2
Objective To study the techniques and effects of videoassistedthoracoscopicsurgery (VATS) in diagnosis and treatment of the common chest diseases.
目的探讨电视胸腔镜手术(VATS)诊治常见胸外科疾病的手术方法及效果。
3
To search for the clinical value and advantages of hand-videoassistedthoracoscopicsurgery (HVATS) in radical operation for the aged patients with esophageal carcinoma.