White House press secretary Karoline Leavitt gave a health update on President Trump and said he had been diagnosed with a "chronic venous insufficiency" after being examined for swelling in his legs.

Health experts say chronic venous insufficiency is the most common vascular disease in the country. What is it?

President Donald Trump underwent vascular testing after he had swelling in his legs, with all results within normal limits, White House press secretary Karoline Leavitt said Thursday. Leavitt said Trump noted "mild swelling in his lower legs," which prompted the White House medical team to evaluate him.