Extent of Disease Evaluation
Definitions
Key words/possible involvement:
Terms which indicate possible involvement by tumor. Common terms are provided, but the list is not all-inclusive.
Other words/no involvement:
Other terms seen in reports which indicate an abnormality but do not indicate a neoplastic process. Common terms are provided, but the list is not all-inclusive.
Key Information
Information to look for in the report of the study. Key information helps define the extent of disease.
Diagnostic Studies
Suggested Citation
SEER Training Modules: Extent of Disease Evaluation. U.S. National Institutes of Health, National Cancer Institute. Cited 25 December 2025. Available from: https://training.seer.cancer.gov.