A vena cava filter, and that is a filter that sits Within the vena cava vein that will help reduce blood clots from traveling on the lungs When there’s a blockage or pause in the lymphatic system, it’s identified as secondary lymphedema. It may possibly occur because of: Buerger's disorder https://www.sgvascularctr.com/a-comprehensive-guide-to-deep-vein-thrombosis-treatment-in-singapore/