Collaborative Stage for TNM 7 - Revised 12/01/2009 [ Schema ]
| Code | Description |
| 000 | No involved regional nodes |
| 001-979 | 001-979 millimeters (code exact size in millimeters) |
| 980 | 980 millimeters or larger |
| 981-988 | OBSOLETE DATA CONVERTED V0200 See code 980 981-988 millimeters |
| 989 | OBSOLETE DATA CONVERTED V0200 See code 980 989 millimeters or larger |
| 990 | Microscopic focus or foci only, no size of focus given |
| 991 | Described as "less than 1cm" |
| 992 | Described as "less than 2cm" or "greater than 1cm" or "between 1cm and 2cm" |
| 993 | Described as "less than 3cm" or "greater than 2cm" or "between 2cm and 3cm" |
| 994 | Described as "less than 4cm" or "greater than 3cm" or "between 3cm and 4cm" |
| 995 | Described as "less than 5cm" or "greater than 4cm" or "between 4cm and 5cm" |
| 996 | Described as "less than 6cm" or "greater than 5cm" or "between 5cm and 6cm" |
| 997 | Described as "more than 6cm" |
| 999 | Regional lymph node(s) involved, size not stated Unknown if regional lymph node(s) involved Not documented in patient record |