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. 2021 Aug 17;16(11):3504–3508. doi: 10.1016/j.radcr.2021.08.022

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© 2021 The Authors. Published by Elsevier Inc. on behalf of University of Washington.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig 4 — (A) Computed tomography (CT) image before admission shows ground glass shadows (yellow arrow) of COVID-19 pneumonia at the peripheral site of the lower lobe of the right lung. (B) CT image on the 21st day after admission revealed fibrosis and emphysematous changes (yellow arrow) at the same site. (C) CT image on 47 days after admission showed enlarged emphysema at the same site, as well as pneumothorax (yellow arrow).( D) CT image on 74 days after admission showed smaller emphysema (yellow arrow) at the same site and a resolved pneumothorax. (Color version of figure is available online).