Cancer Information Service
Cancer Information Service
CIS. The Cancer Information Service is the National Cancer Institute's (NCI) link to the public, interpreting and explaining research findings in aclear, understandable manner and providing personalized answers to questions about cancer. Talk with CIS staff toll-free by calling 1-800-4-CANCER (1-800-422-6237), or reach them online through LiveHelp, NCI's instant messaging service, at
http://cis.nci.nih.gov..