case_images: PMC6936926_01
case_images: (A) IVC agenesis of the infrarenal segment (CT scan). The IVC is missing (arrow). (B) The corresponding axial image in a normal patient (arrowhead)
case_images: 1310_Fig1.jpg
case_images: PMC6936926_01_1310_Fig1.jpg
case_images: f1-1310-1-10309-2-10-20191203
case_images: It revealed agenesis of the infrarenal segment of the IVC (at the D10 level), with evidence of collateral circulation to ascending lumbar veins (Fig. 1).
case_images: Superficial varicose veins in both thighs and lower abdomen, showing the presence of collaterals involving the internal saphenous territory
case_images: 1310_Fig3.jpg
case_images: PMC6936926_01_1310_Fig3.jpg
case_images: f2-1310-1-10309-2-10-20191203
case_images: During this period, however, collateral circulation in the lower abdomen and lower limbs increased substantially (Fig. 2 and Fig. 3).