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NCI's Cancer Information Service (CIS)

Contact Information

Information Specialist
Office of Communications and Education
6116 Executive Boulevard
Suite 300

Bethesda, MD 20892-8322

800-4-CANCER (Voice - Toll-free),
877-44U-QUIT (Voice - Toll-free), Smoking Quitline
800-332-8615 (Voice - TTY),

Internet Resources


The National Cancer Institute's (NCI) Cancer Information Service (CIS) was established in 1975 as an essential part of NCI's cancer education and information efforts. For over 35 years, NCI's CIS has been providing scientifically based, unbiased information to patients, their families and friends, physicians and other health professionals, and the general public about all aspects of cancer information. Specialists are trained to answer cancer related questions by telephone (1-800-4-CANCER), LiveHelp instant messaging, and e-mail. In addition to answering questions about cancer and clinical trials, the NCI's CIS also operates the NCI's Smoking Quitline (1-877-44U-QUIT) which provides free cessation information and support to smokers who wish to quit. There is no charge or fee for our service. Service is provided in English and Spanish.


CIS distributes the publications of the National Cancer Institute (NCI). NCI's homepage at provides access to the Institute's fact sheets, press releases, and other resources for patients, the general public, educators, and community program planners.


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5.7.12: Inactivated - this URL is for a doc ----see HF doc of same title. NCI is the organization - RY


Date Entered: 3/1/1998
Date Edited: 5/7/2012
Date Revised: 1/3/2002
Health Referral Number: HR0068
Accession Number: 0068

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