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Fig. 1B —68-year-old man with severe emphysema. Images are displayed at window level of -500 H and width of 1,400 H. Reconstructed (2-mm) high-resolution image from volumetric MDCT at corresponding level shows no motion artifacts. Detailed evaluation of image for presence of bronchiectasis and bronchial wall thickening (arrowheads), septal lines (plain arrow), and vessels (tailed arrow) is possible. Extension of emphysema is seen (asterisks).