Figure 4.

Diagram of the duplicated IVC of our patient based on ultrasound showing the right and left kidneys (RK and LK), the aorta (A), the right renal vein (rrv), and the suprarenal IVC. The right-sided IVC (R) is patent while the left-sided IVC (L) with thrombus (stippled) empties into the left renal vein (lrv).