Figure 1
(a) Representative CT images. Progression of subpleural fibrosis was apparent on day 5, but on day 8. (b) Oxygen dosage and medication during the 21-day clinical course. (c) SpO2 improved temporarily after administration of tocilizumab. (d) The summary of WBC, CRP and body temperature. On day 15, the WBC count and body temperature increased, followed by CRP.