A varicocele is enlargement from the veins that transport oxygen-depleted blood away from the testicle. Treatments made available for other venous problems incorporate embolization of refluxing pelvic veins to deal with pelvic soreness, 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/