Fig. 4

Hyperechoic oval structure (8.5 × 4 mm) at the level of the inferior vena cava near to the opening of the renal veins suggestive of an intraluminal caval thrombus
Hyperechoic oval structure (8.5 × 4 mm) at the level of the inferior vena cava near to the opening of the renal veins suggestive of an intraluminal caval thrombus