National Cancer Institute Information Service

NCI's Cancer Information Service (CIS) can help answer your cancer-related questions whether you are a patient, family or friend, health care provider, or researcher.

Since 1975, we have been providing accurate, up-to-date, and reliable information that is easy to understand. CIS is a free and confidential service. Our trained information specialists provide personalized responses to a range of cancer topics, including:

  • general cancer information
  • cancer prevention and screening
  • symptoms and risk factors
  • treatment
  • tissue donation
Health Topic Category