Fig. 2From: Early chest CT abnormalities to predict the subsequent occurrence of chronic lung allograft dysfunctionUnenhanced axial chest CT showing on the left side of the panel examples of RAS pattern (A, C), with subpleural reticular opacities (white arrowheads), volume loss, distortion, and traction bronchiectasis (black circle). On the right side of the panel, the images show examples of BOS pattern with a normal CT on deep inspiratory CT (B) and air trapping on the expiratory CT; an area is highlighted by a red circle (D)Back to article page