Fig. 2From: Bronchial artery aneurysm suggested to be caused by metalic tracheal stent migration a Pathology findings of autopsy specimens showing meandering and expansion of the bronchial arterial wall and its perforation to the tracheal lumen (H&E staining, loupe image). b Immunohistochemical staining showing a decrease in connective tissue fibers which form an artery wall (EVG staining, ×20)Back to article page