Child 6 years-old came for control ultrasound of the heart, in the history - PDA(patent ductus arteriosus) which is closed by the data of the previous ultrasound and LSVC (left superior vena cava).
At the current US is visualized LSVC draining into dilated coronary sinus (CS) and PDA in typical places(at the base of the posterior leaflet of mitral valve(dilated CS) and at the pulmonary artery bifurcations, respectively).