Dr. Mark Loren Keldahl, MD, is a highly skilled vascular surgeon based in Chicago, Illinois, affiliated with Advocate Illinois Masonic Medical Center. With over 20 years of experience in the field, he specializes in a wide range of vascular conditions, including carotid artery disease, abdominal aortic aneurysms, and peripheral vascular disease. Dr. Keldahl employs both open surgical techniques and minimally invasive endovascular approaches to deliver optimal patient outcomes....