Varicose veins are enlarged veins that are visible through the skin and may appear as blue or purple twisted, knot-like cords. Varicose veins can occur anywhere in the body, but are more commonly ...

(1) Shrinkage of the PV trunk was often observed in the ablated ... of both the PV ostium and the ablation site in the ablated veins, as well as the reduction in the diameter of the PV ostium ...