A varicocele is enlargement of the veins that transport oxygen-depleted blood faraway from the testicle. Treatments supplied for other venous disorders include embolization of refluxing pelvic veins to take care of pelvic discomfort, endovascular and surgical reconstruction or bypass of obstructed veins (including the iliac veins and inferior vena cava https://www.sgvascularctr.com/what-are-spider-veins/