Pulmonary hypertension – this ends in blood move not being able to return back again to the center as conveniently, creating a retrograde strain about the venous system. Pelvic Vein Stenting: If pelvic vein compression syndrome is the reason for your leg swelling, balloon angioplasty and stenting with the influenced vein https://sgvasculargrp.com/medical-condition/lymphoedema/