What does my MC report indicate ?

Dear Dr, I am sam . I have problem ASD(OS).I will given my MC report , Kindly suggestion to my report. Iterpretion: 1).M-mode and Two Dimensions Echocardiography : IVC- Right side, IVC drains into- Right atrium , Pulmonary Veins drains into- Left atrium , Right atrium/Right ventricle-Dilated, Left Ventricle (LVEd-28mm,LVEs28mm, LVEF-65-Normal, Anatomical RV with Tricuspid valve-Right side, Anatomical LV with Mitral Valve-Left side, Cleft in anterior mitral leaflet-Absent, Positions of atrio - ventricular valve annuli- Normal, Size, shape and thickness of right ventricle-Normal, Size, shape and thickness of left ventricle-Normal, Aorta-Right side and connected LV, Pulmonary artery-Anterior, left side connected to RV, Relationship of aortic and pulmonary valve planes- Perpendicular+ Normal, Intracardiac shunts-Medium size of ASD-OS-Type 15mm, Mitral regurgitation-Nil, Pulmonary hypertension-Nil, Ventricular dysfunction-Nil 2)Doppler study: Mitral regurgitation-Nil, Valvular stenosis-Nil, Left ventricular out flow tract obstruction-Nil, Right ventricular out flow tract obstruction-Nil, Pulmonary Hypertension-Nil, Coarctation of aorta-Nil, Shunt-medium size ASD (os) Lt to Rt shunt 1.5:1