Collaborative Stage for TNM 7 - Revised 11/12/2010 [ Schema ]
| Code | Description | 
| 000 | No regional lymph node involvement | 
| 001-979 | 0.01 - 9.79 millimeters  (mm)   (Exact size of largest described metastasis or tumor nest to nearest HUNDREDTH of mm) Examples: 001 0.01 mm 002 0.02 mm 010 0.1 mm 074 0.74 mm,, 100 1 mm 105 1.05 mm 979 9.79 mm  | 
| 980 | 9.80 mm or larger | 
| 988 | Not applicable: Information not collected for this case (If this information is required by your standard setter, use of code 988 may result in an edit error.)  | 
| 990 | Metastasis or tumor nests in regional lymph nodes, size cannot be assessed | 
| 998 | No histologic examination of regional lymph nodes | 
| 999 | Unknown or no information Not documented in patient record  |