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

Common Abbreviations

For your easy navigation, the common abbreviations are formed into several groups alphabetically. Click a letter or a set of letters to find an abbreviation starting with that letter or one of the letters in the letter set.

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Suggested Citation

SEER Training Modules: Common Abbreviations. U.S. National Institutes of Health, National Cancer Institute. Cited 02 January 2026. Available from: https://training.seer.cancer.gov.

Common Abbreviations

Suggested Citation

Glossary Term