The Cancer Information Service is a program of the National Cancer Institute, offering individuals everywhere with ready access to information and answers to their questions about cancer. By calling 1-800-4-CANCER (800.422.6237), toll-free, from 9 am to 4:30 pm, individuals receive information that is authoritative, comprehensive, and tailored to individual needs.

CIS of California has provided answers to questions posed recently by callers. Please select from these categories for questions and answers:

For more information about the National Cancer Institute's Cancer Information Service, click here.