Cancer Treatment Centers of America® (CTCA), Chicago, is a comprehensive cancer care and research center located midway between Chicago and Milwaukee in Zion, Illinois. CTCA® is dedicated to tailoring a combination of cancer treatments to the needs of each individual patient. Comprehensive cancer services, from advanced genomic testing to clinical trials and evidence-informed supportive therapies, are delivered by a team of experts, all under one roof. Our oncologists offer a level of expertise that comes from working with cancer patients every day to deliver personalized medicine using today's scientific advances. We treat patients with all types and stages of cancer, at any point in their journey. Cancer treatment is our specialty.