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Examples of 3D vascular reconstruction in two subjects both with GOLD II COPD. Imaging of the subject to the left shows proximal dilation and loss of distal vasculature as compared to the subject on the right. The color indicates the radius of the vessel with red coloring representing smaller vessels. On histology, the subject on the left has a lower %hist-VCSA (6.3 versus 8.6). (VCSA: Vascular cross-sectional area)
