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. 2020 Feb 21:200490. doi: 10.1148/radiol.2020200490

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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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Figure 9a: — CT findings of confirmed Coronavirus Disease 2019 (COVID-19) pneumonia showing disease progression A 48-year-old woman presented with high fever (39.1 °C, 102.38℉) and Wuhan exposure history. a-b, On January 23, 2020, baseline axial unenhanced chest CT showed ground-glass opacity (GGO) with consolidation in lower lobe of right lung with typical air bronchogram (Panel a, arrow) and one pure GGO (Panel b, arrow) in the upper lobe of left lung. c-d, Three days later, follow-up axial unenhanced chest CT showed the disease progression, appearing as increased extent and consolidation (arrows) compared with baseline chest CT.