Fig. 4
Thromboembolic disease of pulmonary artery on dynamic contrast-enhanced CT in a 44-year-old man. Axial CT revealed eccentric filling defects in the distal right pulmonary artery and its main branches suggesting acute pulmonary embolism(a). On the upper level, delayed CT revealed narrowing left pulmonary artery stump caused by chronic thromboembolic disease (b)