Fig. 5.

Ultra-high-resolution computed tomography (CT) images of an 83-year-old female with cough and fatigue on a day 8 from symptom onset and b day 43 from symptom onset after treatment with favipiravir and corticosteroids. a Right lung showing ground-glass opacities and reticulation. The vessels close to the lesion are thicker than those on follow-up CT images (large arrows). b Reticulation with peripheral bronchiectasis (thin arrows) on follow-up CT. Total CT lung volume decreased from 2987 to 2117 ml