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If you have specific questions about detection, symptoms, diagnosis, or treatment of cancer, please contact the National Cancer Institute's Cancer Information Service, which provides information online as well as in English and Spanish via a toll-free number 1-800 4CANCER (1-800-422-6237) or visit the NCI home page at cancer.gov.

If you have comments or questions about this site or the Office of Science Planning & Assessment, email us at webmasterospa@mail.nih.gov.

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Last updated 11.19.03 (dlb)