Help Options

Cancer information specialists can answer your questions about cancer and help you with quitting smoking. They can also help you with using this Web site and can tell you about NCI's printed and electronic materials. Cancer information specialists have access to comprehensive, accurate information on a range of cancer topics, including the most recent advances in cancer treatment. They are knowledgeable, caring, and experienced at explaining medical information. The service is confidential, and information specialists spend as much time as needed for thorough and personalized responses.

Important: NCI provides cancer related information for your general knowledge. Please note we cannot answer personal medical questions, make referrals to specific doctors or institutions, or give medical advice. Concerns about a medical condition - either your own or that of a family member or friend, should always be directed to a health care professional.

Telephone Talk with an information specialist from the NCI's Cancer Information Service, in English or Spanish, within the United States, Monday through Friday 8:00 a.m. to 8:00 p.m. Eastern Time. 1-800-4-CANCER (1-800-422-6237)         LiveHelp Online Chat Have a confidential online text chat with a cancer information specialist from the NCI's Cancer Information Service - Monday through Friday 8:00 a.m. to 11:00 p.m. Eastern Time. LiveHelp         E-mail If you have questions or comments or are unable to find what you need on this site, please feel free to contact us, in English or Spanish, using our online contact form. E-mail Us         Mail Write to the National Cancer Institute at: NCI Office of Communications and Education Public Inquiries Office 6116 Executive Boulevard Suite 300 Bethesda, MD 20892-8322

Help Using This Site
NCI's central Web site (http://www.cancer.gov) has extensive information on cancer prevention, diagnosis, treatment, statistics, research, clinical trials, and news, as well as links to other NCI Web sites. See Help Using the NCI Web Site for more information.

Frequently Asked Questions (FAQs)
The answer to your question may be in our Web site's FAQs list.

Contributions
For information about contributing to the National Cancer Institute, please go to http://obf.cancer.gov/contribute/contribute.htm.

Freedom of Information Act (FOIA)
If you would like to make a FOIA request to obtain NCI documents or data that are not available in the public domain, please see this Web site's policy page about FOIA requests.

If You Live Outside the U.S.
Those living outside the United States may wish to contact one of the following for cancer-related information:

• International Union Against Cancer (UICC)
• International Cancer Information Services

Information in Spanish / información en español
El Servicio de Información sobre el Cáncer del NCI ofrece servicio telefónico en español. En Estados Unidos y sus territorios, llame al 1-800-422-6237 (1-800-4-CANCER), de lunes a viernes, de 8 de la mañana a 8 de la noche, hora del Este.

O, usted puede enviar un mensaje electrónico a nciespanol@mail.nih.gov. Si su mensaje requiere una respuesta, puede esperar recibirla en 5 días laborables.

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