Fig. 7From: Pulmonary fibrosis on the lateral chest radiograph: Kerley D lines revisited84-year-old woman with idiopathic pulmonary fibrosis. On the lateral radiograph (a), reticular opacities are easily seen through an opaque retrosternal space. Although the retrocardiac space is more lucent, reticular opacities are not seen at the lung bases, despite the basilar predominance typical of UIP demonstrated on axial (b) and sagittal (c) CT slicesBack to article page