3D-cut plane endoscopy CT images showing the main cardiac chambers and structures. AO, aorta; LA, left atrium; LV, left ventricle; PA, pulmonary artery; PV, pulmonary vein; RCA, right coronary artery; RA, right atrium; RV, right ventricle; RVOT, right ventricular outflow tract; SVC, superior vena cava; IVC, inferior vena cava; TV, tricuspid valve; CS, coronary sinus.