Cancer Information Service The Cancer Information Service (CIS) is a nationwide information and education network for cancer patients and their families and friends, the public, and health professionals. The CIS can provide information from NCI's PDQ™ (Physician Data Query) database. One toll-free number, 1-800-4-CANCER (1-800-422-6237), connects English- and Spanish-speaking callers all over the country with the office that serves their area. The number for callers with TTY equipment is 1-800-332-8615.

World Wide Web Cancer information is available on the NCI homepage, accessible at http://www.nci.nih.gov/. For easy access to all clinical trials information from NCI, go to http://cancertrials.nci.nih.gov/. For materials for health professionals, patients, and the public, including information from PDQ about cancer treatment, screening, prevention, supportive care, and clinical trials, go to http://cancernet.nci.nih.gov/.

CancerMail This service includes NCI information about cancer treatment, screening, prevention, and supportive care via computer E-mail. To obtain a contents lists, send E-mail to cancermail@icicc.nci.nih.gov with the word "help" in the body of the message.

CancerFax® CancerFax® provides cancer information by fax. To use CancerFax®, dial 301-402-5874 from the telephone on a fax machine and listen to the recorded instructions to receive a faxed list of available documents and instructions for having documents faxed to you.