Fig. 1From: Successful treatment of deep vein thrombosis caused by iliac vein compression syndrome with a single-dose direct oral anti-coagulantContrast-enhanced computed tomography on the first visit. A contrast deficit in (a) the inferior vena cava at the level of kidney lower lobe (the yellow arrow), (b) the left external iliac vein (the yellow arrow), (c) the left superficial femoral vein (the yellow arrow), (d) the left popliteal vein (the yellow arrow)Back to article page