President Donald Trump was diagnosed with a vein condition by the presidential physician according to a July 17 memo.

Swollen legs led to President Donald Trump being diagnosed with what's called chronic venous insufficiency. It's a fairly ...

Chronic venous insufficiency occurs when valves inside certain veins, typically in the legs, don't work as they should.

President Trump was diagnosed with chronic venous insufficiency, a common and benign vein condition. The condition, often found in individuals over 70, occurs when leg vein valves fail to properly ...

Chemical modification describes the modification, addition or removal, through chemical reaction, of any of a variety of macromolecules, including proteins and nucleic acids.

Chronic venous insufficiency is when there isn't enough blood flow to the legs. Learn more about what happens when the veins in your legs stop working right.