| Spread | Primary Site/Mets |
| Lymphatic Spread | distant lymph nodes |
| Hematogenous Spread | liver, lungs, bone |
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.