| Spread | Primary Site/Mets |
| Lymphatic Spread | Distant lymph nodes (supraclavicular, cervical, contralateral internal mammary, occasionally contralateral axillary) |
| Hematogenous Spread | Bone, liver, brain |
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.