Reason: please eval thrombus in IVC; compare to previous US History: hx of thrombus in IVC There is been interval removal of a central venous catheter. There is echogenic material within the suprarenal IVC. Additionally, no flow is seen on color Doppler images, indicating thrombosis. The infrarenal IVC is not visualized. The left and right common iliac veins are grossly patent.
Persistent thrombosis within the suprarenal IVC.