Day 2: Chest CT imaging revealed bilateral, multiple ground-glass opacities (GGO) (Images A-C)

Day 8: Chest CT imaging revealed that the bilateral, multiple GGO from the first scan were still present (Images D-F); laboratory investigations conveyed a high level of serum IL-6

Post tocilizumab treatment (after day 9), IL-6 level decreased slowly over a period of 10 days from 121.59 to 20.81 pg/mL, then peaked to 317.38 pg/mL, and then decreased to 117.10 pg/mL.

Day 19: Chest CT imaging reveled that the range of GGO had decreased (Images G-I)

Soon after, patient was cured of COVID-19 and discharged from hospital; patient did not exhibit symptoms of MM