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Serious Medicine. Extraordinary Care.

Cancer Information Service

Cancer Information Service

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 Also called CIS.

Make an Appointment

Call: 800.922.0000