St. Louis CyberKnife is a service of SSM Cancer Care. Developed as a joint venture between SSM Cancer Care, a group of local physicians and US Radiosurgery, St. Louis CyberKnife uses an advanced robotic radiosurgery system to treat malignant and benign tumors in the head, neck and body with sub-millimeter accuracy and without incision or sedation. St. Louis CyberKnife is located at 1011 Bowles Ave. in Fenton. For more information, call 636-496-4660.