Fig. 3
From: Atypical presentations of coronavirus disease 2019 (COVID-19) from onset to readmission
3a-3b: Asymptomatic infection with moderate COVID-19 patient. There are one pure ground-glass opacities under pleural of right lung upper lobe. The remaining double lung did not see obvious abnormalities. The total scores of involved zones in the bilateral lung is 1. 3c-3d: Symptomatic infection with moderate COVID-19 patient. There are multiple pure and mixed ground-glass opacities under double lung pleural. The total scores of involved zones in the bilateral lung is 6