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. 2020 Oct 1;40(6):1574–1599. doi: 10.1148/rg.2020200149

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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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Focal unilateral opacity in a 52-year-old woman who presented with persistent cough and positive COVID-19 RT-PCR and immunoglobulin G antibody test results. Axial nonenhanced chest CT image shows a focal unilateral 3-cm rounded peripheral GGO (arrow).