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. 2020 Nov 23;20:869. doi: 10.1186/s12879-020-05540-3

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© The Author(s) 2020

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

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Fig. 1 — a: CT findings of confirmed COVID-19 pneumonia. Consolidation pattern, a young patient presented with fever (38.6 °C) and exposure history. Chest CT acquired on March 28, 2020 showed consolidation lesions (arrow) in the lobe of right lung. b: CT findings of severe type confirmed COVID-19 pneumonia. A old patient presented with fever and respiratory occurs and requires mechanical ventilation in ICU. Chest CT was got on the same day as positive RT-PCR with distributed ground-glass opacities with consolidation (arrows) in the lobes of right and left lung. c: CT findings of confirmed COVID-19 pneumonia. Ground-glass opacity (GGO) pattern, A young patient presenting without fever with lab-confirmed COVID-19. I: Chest CT acquired 2 days before the first positive RT-PCR test showed a rounded GGO in the right lung upper lobe (arrow). II: Follow-up chest CT-Scan after 3 days showed the size enhancement of the lesion (arrow)