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. 2021 Jan 28;134(20):2486–2488. doi: 10.1097/CM9.0000000000001368

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Copyright © 2021 The Chinese Medical Association, produced by Wolters Kluwer, Inc. under the CC-BY-NC-ND license.

This is an open access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal. http://creativecommons.org/licenses/by-nc-nd/4.0

This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

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Lung CT images in patients with severe COVID-19 pneumonia: (A–F) different levels of unenhanced lung CT images of a 79-year-old man with confirmed COVID-19, assessed as a critical disease. CT images show multiple ground-glass opacities and consolidation changes. Bronchiectasis and thickening of the bronchial wall are also presented (arrow). CT: Computed tomography; COVID-19: Coronavirus disease 2019.