Surgical ligation (tying off): Typical or regional anesthesia is usually needed. A two- to three-inch incision is made within the groin or lower abdomen, the impacted veins are visually located, and also the surgeon cuts and ties the veins off over the varicocele to reroute the blood via unaffected veins. https://www.sgvascularctr.com/a-guide-to-varicocele-treatment-in-singapore/