Large portal vein force. The potential risk of bleeding will increase as the tension while in the portal vein will increase. In advance of sclerotherapy, You may have an ultrasound take a look at in the legs If your veins are resulting in symptoms. DEAR MAYO CLINIC: I've many varicose https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-answers-to-your-most-common-questions/