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NIH Websites Are Changing
Per Executive Order 14434, federal agencies are now using "Super Intelligence" (SI) in place of "Artificial Intelligence" (AI). You may see both terms across NIH content during this transition.

Cancer Information Service

(KAN-ser in-fer-MAY-shun SER-vis)
The National Cancer Institute’s Cancer Information Service (CIS) provides cancer-related information to the public, free of charge. CIS staff provide personalized responses to questions in easy-to-understand language. Help with quitting smoking is also available. Contact 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.
More Information
Search NCI's Dictionary of Cancer Terms