Collaborative Stage for TNM 7 - Revised 12/30/2009 [ Schema ]
| Code | Description |
| 010 | Cervical |
| 020 | Upper Thoracic |
| 030 | Middle Thoracic |
| 040 | Abdominal |
| 050 | Lower Thoracic |
| 070 | Upper third |
| 080 | Middle third |
| 090 | Lower third |
| 100 | Overlapping lesion of the Esophagus |
| 888 | OBSOLETE DATA CONVERTED V0200 See code 988 Not applicable for this site |
| 988 | Not applicable: Information not collected for this case (May include cases converted from code 888 used in CSv1 for "Not applicable" or when the item was not collected. If this item is required to derive T, N, M, or any stage, use of code 988 may result in an error.) |
| 999 | Unknown; Esophagus, NOS |