Fig. 2

a: Chest X-ray before ECMO treatment. Diffuse exudation was observed in both lungs, presenting as a large white lung. b: Chest X-ray on day 6 of ECMO treatment. The diffuse exudation in both lungs was significantly absorbed compared with the image captured at admission. c: Chest X-ray on the 9th day after the removal of ECMO. The pneumonia was completely absorbed without residual disease