Surgical ligation (tying off): Normal or regional anesthesia will likely be needed. A two- to three-inch incision is created in the groin or decreased abdomen, the affected veins are visually Positioned, plus 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/