Fig. 4
From: Rapid progression of right ventricular dysfunction: a case report

Masson’s trichrome staining (A) and HE staining (B) of RV showed typical presence of ACM (both magnification 2×). The black box was amplified (C, magnification 40×), indicating multiple foci of lymphocytic infiltration. RV: right ventricle, ACM: arrhythmogenic cardiomyopathy