Collaborative Stage Data Set - Revised 05/23/2013 FINAL
| Code | Description |
| 000 | Nodes not clinically evident; imaging of regional nodes performed and nodes not mentioned |
| 010 | Metastasis in 1 regional node, determined clinically Stated as clinical N1a |
| 020 | Metastases in 2-3 regional nodes, determined clinically Stated as clinical N1b |
| 030 | OBSOLETE DATA REVIEWED AND CHANGED V0204 Clinical assessment of lymph nodes only are coded in this site-specific factor, tumor deposits are only assessed histologically. Cases coded to 030 should be reviewed and recoded to the clinical lymph node involvement. Tumor deposit information is coded in CS Lymph Nodes and CS Site-Specific Factor 4. Tumor deposits without regional nodal metastasis Stated as clinical N1c |
| 100 | Metastases in 1-3 regional nodes, determined clinically Stated as clinical N1 [NOS] |
| 110 | Metastases in 4-6 regional nodes, determined clinically Stated as clinical N2a |
| 120 | Metastases in 7 or more regional nodes, determined clinically Stated as clinical N2b |
| 200 | Metastases in 4 or more regional nodes, determined clinically Stated as clinical N2 [NOS] |
| 400 | Clinically positive regional node(s), NOS |
| 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 | Regional lymph node(s) involved pathologically, clinical assessment not stated Unknown if regional lymph nodes clinically evident Not documented in patient record |