Fig. 4

A older male patient who experienced constipation, and anorexia lasting for 1 week, and who had no epidemiological history. a Rime hand painting. b Coronal CT image of the chest, showing diffuse GGO in the lungs, vascular thickening, interlobular septal thickening, showing “rime sign” (red arrow). c On the 20th day after admission, bedside portable chest radiograph showed diffuse high-density shadows in both lung fields, and the lesions significantly progressed compared with the previous ones