The CIS 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
https://livehelp.cancer.gov. Also called Cancer Information Service.