Interventional radiology (abbreviated IR or sometimes IVR or VIR) is a subspecialty of radiology in which minimally invasive procedures are performed using image guidance.
Interventional Proceedures:
        Angiography, 
        Balloon angioplasty, 
        Biliary drainage and stenting, 
        Percutaneous Cholecystostomy, 
        Central venous access, 
        Chemoembolization, 
        Embolization, 
        Fallopian tube catheterization, 
        Gastrostomy tube, 
        Hemodialysis access maintenance, 
        Percutaneous nephrostomy drainage, 
        Needle biopsy, 
        Carotid Stent, 
        Thrombolysis, 
        Angiojet, 
        Uterine artery embolization, 
        Vertebroplasty, 
        Kyphoplasty