In angioplasty and stenting, a vascular surgeon or interventional radiologist inserts a catheter to the artery and inflates a balloon squashing the plaque in the artery wall. A stent or cage is then placed at the site to maintain the artery open up and stop re-narrowing. Asymptomatic Carotid Artery Stenosis https://www.sgvascularctr.com/treating-carotid-artery-disease-an-overview-of-treatment-options-in-singapore/