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Fig. 3A —Digital subtraction angiography (DSA) and CT angiography
(CTA) of below-knee arteries of right leg in 54-year-old man with chronic
claudication and two proximal high-grade stenoses (not shown). DSA image
(posteroanterior projection) shows grade 2 stenosis of tibiofibular trunk
(long arrow) and grade 3 stenosis of posterior tibial artery
(short arrow). Most distal part of posterior tibial artery is not
visualized.