| Item # | Length | Source of Standard | Year Implemented | Version Implemented | Year Retired | Version Retired |
|---|---|---|---|---|---|---|
| 2,852 | 1 | AJCC | 2010 | 12 |
The presence of metastatic brain disease at diagnosis is an independent prognostic indicator, and it is used by Collaborative Staging to derive TNM-M codes and SEER Summary Stage codes for some sites.
The presence of metastatic brain disease at diagnosis is an independent prognostic indicator, and it is used by Collaborative Staging to derive TNM-M codes and SEER Summary Stage codes for some sites.
Note: This includes only the brain, not spinal cord or other parts of the central nervous system.