The iliofemoral venous segment as a source of pulmonary emboli.
D005268:Femoral Vein; D006801:Humans; D007084:Iliac Vein; D008297:Male; D008875:Middle Aged; D010690:Phlebography; D011655:Pulmonary Embolism / Q000209:etiology*; D013924:Thrombophlebitis / Q000150:complications*