The Loyola University Medical Center is a quaternary-care system with a 61-acre (25 ha) main medical center campus in the western suburbs of Chicago in the U.S. state of Illinois. The medical center campus is located in Maywood 13 miles (21 km) west of the Chicago Loop and 8 miles (13 km) east of Oak Brook Illinois. The heart of the medical center campus is Loyola University Hospital.