Venous insufficiency happens when the veins during the reduce extremities are not able to efficiently press blood again to the guts. This situation is often chronic in character and arises if the leg veins turn into enlarged (termed venous hypertension) as well as their valves can not near thoroughly. Lymphedema https://www.sgvascularctr.com/swollen-leg-why-do-i-have-it-and-what-can-i-do/