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. 2020 Jun 5;40(4):E8–E15. doi: 10.1148/rg.2020200097

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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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Flow chart shows the role of chest CT to facilitate the diagnosis of SARS-CoV-2 pneumonia. (+) = positive, (−) = negative. *Clinical judgment of the use of chest CT is dependent on the patient risk factors related to COVID-19 and the availability of local medical resources. Patients with mild symptoms of COVID-19 without significant respiratory dysfunction do not require chest CT. Chest CT is considered in patients with moderate to severe symptoms with pulmonary dysfunction or damage.