Fig. 9From: Pulmonary fibrosis on the lateral chest radiograph: Kerley D lines revisited55-year-old man with smoking history. The frontal radiograph (a) is normal, and the lateral radiograph (b) shows reticular opacities in the retrosternal clear space only. Axial (c) and sagittal (d) CT slices show paraseptal and centrilobular emphysema corresponding to the radiographic abnormality. Ground-glass opacities in the lower lobes are suspected to be due to desquamative interstitial pneumoniaBack to article page