Brain tumors are masses of abnormal cells in the brain. Learn about the difference between malignant (cancerous) and benign (noncancerous) brain tumors. CyberKnife Center of Chicago opened in August 2009 as a service of Elmhurst Memorial Hospital. The center is part of the hospital’s radiation oncology department, which is
accredited by the American College of Radiology. Visit chicagock.com or call 331-221-2050 for more information.