Collaborative Stage Data Set - Revised 10/31/2010 FINAL
| Code | Description |
| 000 | No mass/tumor found |
| 001-979 | 001 - 979 millimeters (mm) (Exact size in 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" |
| 999 | Unknown; size not stated Size of tumor cannot be assessed Not documented in patient record |