Cardiac lesions included generally multifocal myocardial necrosis and granulation tissue and mainly subepicardial hemorrhage , inflammatory cell infiltration and prominent endothelial cells in the atria , particularly in the auricles .
Cardiac lesions included generally multifocal myocardial necrosis and granulation tissue and mainly subepicardial hemorrhage , inflammatory cell infiltration and prominent endothelial cells in the atria , particularly in the auricles .
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