Chronic venous insufficiency is a common condition that can make blood pool or collect in your lower legs. Here's what to know about the condition and how to assess your own risk.

President Donald J. Trump was diagnosed with a common condition known as chronic venous insufficiency following several weeks ...

Background Deep vein thrombosis (DVT) occurs when a blood clot blocks the flow of blood through a vein, generally in the legs. This can happen after surgery, after trauma, when a person is immobile ...