Fig. 2From: Right ventricular outflow tract obstruction caused by right ventricular fibroma in a 5-month-old infant: a case reportSurgical view and Microscopic photograph. a The appearance of the tumor after incision of RV; b The mass was resected and measured. c Microscopic photograph of the removed mass revealing fibroma consist of spindle fibroblasts with collagen deposition. M indicates mass, RV, right ventricleBack to article page