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. 2020 Feb 13;2(1):e200028. doi: 10.1148/ryct.2020200028

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2020 by the Radiological Society of North America, Inc.

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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(a) Note the peripheral predominant airspace opacities with a reversed halo pattern in the left upper lobe (arrow). (b, c) Organizing changes with increasing attenuation are noted on follow-up CT images. — (a) Note the peripheral predominant airspace opacities with a reversed halo pattern in the left upper lobe (arrow). (b, c) Organizing changes with increasing attenuation are noted on follow-up CT images.