Figure legend
Figure 1. (A) Echocardiography revealing a mass at right ventricular outlet tract (RVOT) (B) Cardiac magnetic resonance imaging also showing a heterogeneous mass at RVOT (arrow) (C) The surgery identifying two tumors. One in the size of 9*4 cm extending from RV to pulmonary artery (**). The other (5*3 cm) locating within RV (*) (D) The final pathology showing one tumor of rare leiomyosarcoma with the positive staining for smooth muscle actin and h-Caldesmon.