Fig. 3.

CTA and FA of a 77-year-old woman (patient 4, a) and a 49-year-old woman (patient 10, b) with a left-sided persistent superior vena cava (SVC, red arrow) and CS dilatation. Note the sharply angulated vein (white arrow) in patient 4 (a) and the limited coronary venous anatomy in patient 10 (b). ALV anterolateral vein, AV anterior vein, CS coronary sinus, ILV inferolateral vein, IV inferior vein, LA left atrium, LAO left anterior oblique, RA right atrium, RAO right anterior oblique, RV right ventricle