Fig. 4

An 8-year-old boy with “intermittent fever for more than one week with chest pain” was admitted. A On the eighth day of the disease course, multiple flake and flocculent high-density shadows were seen in the right lung, and the density in the lesions in the lower lobe of the right lung was decreased, and multiple bubble shadows were observed. B On the 17th day of the disease course, the flake and flocculent high-density shadows in the right lung were absorbed compared with the former part, and the density in the lesions in the lower lobe of the right lung was decreased, and multiple bubble shadows were observed. C On the 51th day of the disease, the flake and flocculent high-density shadows of the original right lung were clearer than the former part. D The course of disease was six months. The high-density shadow in the lower lobe of the right lung was observed