Fig. 2

Pathological findings. a Photograph of the resected left lower lobe showing congestion (frontal view). b Photograph showing the aberrant artery including pulmonary ligament (yellow arrows), which was large and thick compared with the left inferior pulmonary vein (yellow arrowhead) (hilar view). c Photograph of the aberrant artery (yellow arrows), which was larger than the left inferior pulmonary vein (yellow arrowheads), and the thrombus was filled in the lumen (asterisk). d Elastica van Gieson-stained sections showing the aberrant artery with thick elastic lamina and dissected between the tunica media (yellow double-headed arrow) and intima (white double-headed arrow). Scale bar = 500 µm