Fig. 6From: Pulmonary fibrosis on the lateral chest radiograph: Kerley D lines revisited67-year-old man with mild pulmonary fibrosis anteriorly and posteriorly on a sagittal CT slice (a). On the lateral radiograph (b), fibrosis is only evident anteriorly, despite the small size of the retrosternal clear space. The frontal radiograph (c) is normalBack to article page