Collaborative Stage Data Set - Revised 08/07/2013 FINAL
| Code | Description |
| 000 | No regional lymph nodes involved |
| 001-979 | 1 - 979 millimeter (mm) (Exact size of lymph node metastasis to nearest mm) |
| 980 | 980 mm or larger |
| 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.) |
| 990 | Microscopic focus or foci only and no size of focus given |
| 991 | Described as "less than 1 centimeter (cm)" |
| 992 | Described as "less than 2 cm" or "greater than 1 cm" or "between 1 cm and 2 cm" |
| 993 | Described as "less than 3 cm" or "greater than 2 cm" or "between 2 cm and 3 cm" |
| 994 | Described as "less than 4 cm" or "greater than 3 cm" or "between 3 cm and 4 cm" |
| 995 | Described as "less than 5 cm" or "greater than 4 cm" or "between 4 cm and 5 cm" |
| 996 | Described as "less than 6 cm" or "greater than 5 cm" or "between 5 cm and 6 cm" |
| 997 | Described as "more than 6 cm" |
| 999 | Regional lymph node(s) involved, size not stated Common iliac node involvement only Unknown if regional lymph node(s) involved Not documented in patient record |