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. 2020 Jul 10;99(28):e21240. doi: 10.1097/MD.0000000000021240

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Copyright © 2020 the Author(s). Published by Wolters Kluwer Health, Inc.

This is an open access article distributed under the Creative Commons Attribution License 4.0 (CCBY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. http://creativecommons.org/licenses/by/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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Computed tomography (CT) images showing the changes of a cavity in the dorsal segment of the right lower lobe. (A) A CT image obtained on February 27, 2020 showing the ground glass opacities in the lungs. (B) Compared with the CT image obtained on February 27, 2020, the chest CT image obtained on March 1st showing that the ground-glass opacities of both lungs were clearly absorbed, leaving a few linear opacities. A new cavity appears in the dorsal segment of the left lower lobe with a size of 10.1 × 9.7 mm (arrow). (C). Compare with the chest CT image obtained on March 1st, the chest CT image obtained on March 17th showing that ground glass opacities and linear opacities bilaterally were almost completely absorbed, and the cavity of the dorsal segment of the right lower lobe is solid and reduced in size 6.1 × 5.7 mm (arrow).