Cancer Information Service
(KAN-ser in-fer-MAY-shun SER-vis)
The Cancer Information Service is the National Cancer Institute's link to the public, interpreting and explaining research findings in a clear and understandable manner, and providing personalized responses to specific questions about cancer. Access the CIS by calling 1-800-4-CANCER (1-800-422-6237), or by using the LiveHelp instant-messaging service at https://livehelp.cancer.gov. Also called CIS.