lung volume reduction surgery
英[lʌŋ ˈvɔlju:m riˈdʌkʃən ˈsə:dʒəri]美[lʌŋ ˈvɑljum rɪˈdʌkʃən ˈsɚdʒəri]
Lung volume reduction surgery, or LVRS, can improve the quality of life for certain COPD and emphysema patients. Parts of the lung that are particularly damaged by emphysema are removed, allowing the remaining, relatively good lung to expand and work better.