Cancer Institute A national cancer institute
designated cancer center

National Cancer Institute’s Cancer Information Service

The National Cancer Institute's (NCI) Cancer Information Service (CIS) is a national information and education network, providing the latest and most accurate cancer information to patients, their families, the public, and health professionals.

NCI cancer information specialists can answer your questions about cancer and help you with quitting smoking. The service is confidential, and information specialists spend as much time as needed for thorough and personalized responses. Contact a NCI cancer information specialist.

Telephone

U.S. residents may call the NCI CIS toll free at 1–800–4–CANCER (1–800–422–6237). Information specialists answer calls Monday through Friday from 8 a.m. to 8 p.m. Eastern Time.

Callers with TTY equipment may call 1–800–332–8615. Callers also have the option of listening to recorded information about cancer 24 hours a day, 7 days a week. Information is available in English and Spanish.

LiveHelp® Online Support & Email

NCI cancer information specialists also offer online assistance in English, Monday through Friday from 8 a.m. to 11 p.m. Eastern Time, through the LiveHelp link at www.cancer.gov on the Internet. You may also email the NCI.

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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