Disclaimer. This site is a training resource for oncology data specialists and cancer registration trainees. It is not intended to provide medical advice or to guide clinical care, diagnosis, or treatment. NCI urges users to consult with a qualified physician for diagnosis and for answers to their personal medical questions.

Providing web-based training modules for cancer registration and surveillance

New Terms

Important

These modules are archived and should only be referenced for historical purposes.

Use the links to the left to learn about the variety of terms that were added to ICD-O-3.

Suggested Citation

SEER Training Modules: New Terms. U.S. National Institutes of Health, National Cancer Institute. Cited 01 January 2026. Available from: https://training.seer.cancer.gov.

New Terms

Important

Suggested Citation

Glossary Term