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. 2020 Oct 12;126(1):29–39. doi: 10.1007/s11547-020-01293-w

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© The Author(s) 2020

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Fig. 2 — Example of lung volumes calculated by automatic segmentation tool on CT images by pre-setting a threshold value of Hounsfield Units and a color in order to obtain a segmentation of both lungs and a quantitative evaluation of emphysema (− 1024/− 977; blue), healthy residual lung parenchyma (− 977/− 703; yellow), GGO (− 703/− 368; pink) and consolidation (− 100/5; red)