Morphometric studies were performed at the end of 4 weeks after TAM treatment. (A) HW to TL. (B) LW to TL. (C) Quantification of cardiomyocyte CSA. (D) Masson’s trichome staining. Representative trichome-stained LV regions. (E) Quantification of LV fibrosis. Scale bar = 30 μm. Abbreviations as in Figures 1 to 3.