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Fig. 2A. 75-year-old woman with medical history of small cell
bronchial carcinoma. Standard chest radiograph (A) is less effective
than dual-energy bone image (B) in clearly showing calcifications in
pulmonary nodule of upper left field and multiple mediastinal calcified lymph
nodes (arrows, B). Note motion artifacts visible as dense line
along left heart border and outline of pacemaker cables.