Fig. 1From: Atrial matrix remodeling in atrial fibrillation patients with aortic stenosisa Fibrosis quantification by Sirius red stain—data and representative images of both AF and SR patient subgroups. b Cardiomyocyte area quantification by hematoxylin–eosin stain—data and representative images of AF and SR patients. *p > 0.05Back to article page