Some interlobular vein showed a mild injury i.e., vacuolation of cytoplasm in endothelial cells, diruption of cellular membrane and separation of endothelial cells from basal membrane.

• 少数小叶间静脉内皮细胞肿胀，胞质空泡变性，甚者内皮细胞脱离管腔，细胞质膜断裂。