Figure3

Novel coronavirus pneumonia in a 25-year-old woman without underlying disease. a, b Axial plane of CT scan in the lung window showed most lesions were GGO (red area) with a little consolidation (yellow area) under the pleura. c, d The margin of the lesion was delineated showed in axial and coronal planes of CT image. e–h A 3D lung erosion diagram exhibited the regions of lesion erosion (white arrows). g, h A 3D region of lesion (white arrows in e, f) was obtained based on delineated results including lung erosion diagram (e, f) and lesion diagram (g, h)