Collaborative Stage for TNM 7 - Revised 08/21/2009 [ Schema ]
| Code | Description |
| 010 | Orbital bone removed in surgery of primary site |
| 020 | Orbital bone not removed in surgery of primary site |
| 988 | Not applicable: Information not collected for this case |
| 997 | Surgery of primary site, unknown if orbital bone removed |
| 998 | No surgery of primary site |
| 999 | Unknown Not documented in patient record |