Research Article

Upregulation of Plasminogen Activator Inhibitor-1 in Irradiated Recipient Arteries and Veins from Free Tissue Transfer Reconstruction in Cancer Patients

Figure 3

Immunohistochemistry showing PAI-1-positive cells (black arrows) in the adventitia of an irradiated artery (a), with a close-up showing the morphology of one such cell (b). Similarly, PAI-1-positive cells were found in the tunica externa of irradiated veins (c), with (d) a shown close-up of one such cell (scale bar = 50 μm).
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