Swollen legs led to President Donald Trump being diagnosed with what’s called chronic venous insufficiency. It’s a fairly common condition among older adults but requires a thorough checkup to rule out more serious causes of swelling in the legs.

President Donald Trump has been diagnosed with chronic venous insufficiency — a condition that develops when valves in the leg veins malfunction, leading to blood collecting in the legs. It is a common condition, but severe cases can lead to complications, doctors said.