目的探讨窗技术对慢性阻塞性肺气肿和无症状长期吸烟者肺残气量的评价。
Objective to study the window technique in evaluating the chronic obstructive emphysema and pulmonary residual volume in long-term smoker without symptoms.
目的为了提高肺气肿患者生存质量，探讨肺减容手术治疗慢性阻塞性肺气肿的可行性。
Objective To investigate the feasibility of lung volume reduction surgery (LVRS) for the treatment of chronic obstructive emphysema.
目的：探讨肺容积减少术治疗晚期慢性阻塞性肺气肿病的疗效。
Objective: To evaluate the clinical effect of the lung volume reduction surgery (LVRS) for treatment of advanced chronic obstructive pulmonary disease (COPD).
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