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Fig. 7D. 45-year-old woman with giant cell arteritis. Axial 4-MDCT angiogram
(D) and anterior coronal thick-slab maximum-intensity-projection image
(E) show right pulmonary oligemia due to high-grade stenosis of right
main and occlusion of lower lobe arteries. Normal-sized vessels notable in
right lung are pulmonary veins, whereas arteries appear of small caliber.