Figure 1

Main image manifestations and accompanying signs. (A) 34-year-old man; the main sign is bilateral subpleural ground glass opacities with left lower lung dorsal linear opacities (arrow); (B) 68-year-old man; the main signs are bilateral ground glass opacities and large consolidation; (C) 74-year-old woman; the main signs are bilateral ground glass opacities and reticular patterns, “crazy-paving” pattern, thickened small vessel shadows can be seen in the right lung lesions; (D) 59-year-old man; extensive lung glass shadow and partial consolidation shadow; lungs are white; air bronchial signs (arrows) can be seen in the background of bilateral exudation, and the dorsal pleura is slightly thicker. Imaging were acquired on GE AW VolumeShare software (Version number: 4.6; http://www.gehealthcare.com/products/advanced-visualization/platforms/aw-server).