and Collapsibility o End-exp Correlations with Lung Volume an

Materials and Methods: The institutional review board approved this study at each institution. 85 smokers (mean age 68, range 45–87 he meaning behind the highly collapsed trachea, been acknowledged that the central airways markedly scans in subjects with normal lung function (9,10). In mean lung density (MLD) and cross-sectional area of the lung on both inspiratory and end-expiratory CT scans (11). They also showed that the changes in tracheal cross-sectional are