Figure 2From: Cardiac inflammatory myofibroblastic tumor: does it recur after complete surgical resection in an adult? Histological examination of the resected mass in the left atrium showed bland spindle cells and stroma infiltrated with abundant lymphocytes and plasma cells (A; H&E × 100); spindle cells have mild atypia with rare mitosis (B; H&E × 400). The spindle cells are positive for smooth muscle actin (C) and vimentin (D) immunostain.Back to article page