THE SOCIETY OF INTERVENTIONAL RADIOLOGY (SIR) IS A NONPROFIT, NATIONAL SCIENTIFIC ORGANIZATION OF PHYSICIANS AND ALLIED HEALTH PROFESSIONALS DEEPLY COMMITTED TO IMPROVING HEALTH AND QUALITY OF LIFE THROUGH THE PRACTICE OF VASCULAR AND INTERVENTIONAL RADIOLOGY. SIR PROMOTES EDUCATION, RESEARCH, AND COMMUNICATION WHILE PROVIDING STRONG LEADERSHIP IN THE DEVELOPMENT OF HEALTH CARE POLICY.