Your veins carry blood for your heart. Valves in these veins limit the blood circulation to 1 direction. Valves that weaken or that don’t close appropriately lead to blood to pool (acquire) in the vein. This is termed a varicose vein. Kind of Surgery: The complexity in the surgery drastically https://www.sgvascularctr.com/service/vein-diseases-varicose-veins/