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. 2017 Oct 26;12:3123–3131. doi: 10.2147/COPD.S145599

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© 2017 Xu et al. This work is published and licensed by Dove Medical Press Limited

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A 39-year-old male current smoker without COPD underwent dynamic-ventilation CT for preoperative analysis of parietal pleural adhesion caused by a benign rib tumor.

Notes: His FEV_1.0/FVC was 0.92. Inspiratory (A) and expiratory phases (B) (both shown in coronal view, MIP images) demonstrated an increase in heart size during expiration, mainly due to diaphragm elevation.

Abbreviations: CT, computed tomography; FEV_1.0, forced expiratory volume in 1 s; FVC, forced vital capacity; MIP, maximum intensity projection.