Epidemiological and clinical characteristics of fifty-six cases of COVID-19 in Liaoning Province, China

Figure 1 Comparison of lung computed tomography images of a serious case and a mild case. A: Multiple indistinct patchy opacities in both lungs; large areas of ground-glass opacity and consolidative opacity; large areas of consolidative opacity in the basal segments of the lower lobes of both lungs, with air bronchogram visible inside. Lesions are serious in the middle and outer zones [26-year-old male patient, computed tomography (CT) taken on February 2, 2020, the 7^th d after disease onset]; B: A few indistinct patchy opacities in the upper lobe of the left lung, middle lobe and lower lobe of the right lung (47-year-old male patient, CT taken on February 4, 2020, the 5^th d after disease onset).