Fig. 4

Representative micrographs of the lung tissue stained with hematoxylin and eosin. a, c lung of hepatic ischemia–reperfusion and saline infusion group. Marked perivascular space thickening (*) is seen. b, d lung of the ischemia–reperfusion and adrenaline infusion group. A small vessel obstruction due to the aggregation of leukocytes and microthrombi (arrowhead) and marked exudation in the alveolar spaces (arrow) are seen in addition to perivascular space thickening (*). Black bars: 50 μm