Fig. 1.
- (a) A left upper lobe unifocal rounded ground glass opacity;
- (b) Patchy peripheral ground glass opacity with vascular dilatation (Black circle);
- (c) Multifocal, bilateral subpleural ground glass opacities with traction bronchiectasis (Black circle);
- (d) Extensive bilateral ground glass opacities associated with thickened interlobular and intralobular septa (Crazy paving) alongside with peripheral consolidations;
- (e) Subpleural band in advanced-phase disease (Black arrow).