SSF10 Stage Group Selection
Description
This table uses SSF10 to determine which Stage Group calculation table will be used.Notes
**Note:** Since both omental and peritoneal gastrointestinal stromal tumors (GIST) are coded with the same ICD-O-3 topography code (C48.1), this Site-Specific Factor must be used to identify the appropriate TNM stage table.| Code | Description | Stage Table |
|---|---|---|
| 010 | Mesentery Mesoappendix Mesocolon |
TNM 7 Stage Group GIST Small Intestine |
| 020 | Omentum | TNM 7 Stage Group GIST Stomach |
| 030 | Pelvic Peritoneum | TNM 7 Stage Group GIST Small Intestine |
| 040 | Rectouterine pouch Cul de sac Pouch of Douglas |
TNM 7 Stage Group GIST Small Intestine |
| 988 | Not applicable: Information not collected for this case | ERROR: |
| 998 | Other specified peritoneal site | TNM 7 Stage Group GIST Small Intestine |
| 999 | Unknown or no information Not documented in patient record |
TNM 7 Stage Group GIST Small Intestine |