Figure 3. Digital subtraction venography. A) Tip of the 5F PM catheter positioned at the confluence of the common iliac veins, showing the site of compression by the right iliac artery; B) initial venography conducted with the Angiojet Zelante thrombectomy catheter, positioned in the left popliteal vein; note the presence of collateral flow between this vein and the deep femoral vein, which is obstructed by thrombi; C and D) presence of a large volume of thrombi in the left femoral and deep femoral veins.