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. 2021 Feb 10;78:223–229. doi: 10.1016/j.clinimag.2021.02.003

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Fig. 4 — A 69-year-old male in the severe group, with tuberculosis and diabetes, was admitted to the hospital on Jan 23, 3 days after fever with a body temperature of 38.1 °C and developed severe symptoms on the 9th day from onset. The leukocyte and lymphocyte counts were normal. He was living in Wuhan and came to Zhuhai on Jan 19 for Chinese New Year. Original serial chest CT (images a–d, upper panel) on Jan 24, Jan 27, Jan 29, and Feb 10 demonstrated the evolution of bilateral GGOs and consolidation. The VR was 8.3%, 27.4%, 55.6%, and 21.2%, respectively. The RAR at progressive phase was 8.8% per day. The lower panel (images e–h) showed the segmentation contours, with different color representing different lesions. The results were confirmed by radiologist (KL). This patient experienced progressive (a–b, b–c), peak (c), recovery (c–d) phase.