Fig. 4From: Catheterization in a patient with end-stage renal disease through persistent left superior vena cava: a rare case report and literature reviewSchummer’s classification of superior vena cava in dorsal view (SVC: Superior vena cava PLSVC: Persistent left superior vena cava LBV: Left brachiocephalic vein CS: Coronary sinus IVC: Inferior vena cava)Back to article page