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. 2021 Mar 26;100(12):e25307. doi: 10.1097/MD.0000000000025307

Figure 4.

Figure 4

CT Feature scoring system. (A): Grade 1, 43-year-old male patient with Covid-19 pneumonia has a chest CT scan showing frosted glass opacity in both lungs (arrows). (B): Grade 2, 53-year-old male patient with Covid-19 pneumonia showed the mixture of frosted glass and consolidation lesion in right lung on the chest CT (arrow). (C): Grade 2, 61-year-old woman with Covid-19 pneumonia show crazy paving patterns lesion in the right lung on the chest CT(arrows). (D): Grade 3, 60-year-old male patient with Covid-19 pneumonia shows the consolidation lesion in the left lung on the chest CT(arrow).