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Correlation between status of surgical resection and tumor progression
| Status | Progression |
|---|---|
| Group A (advanced primary GISTs, resectable) (n = 31) | |
| R0 | 5/21 (23.8%) |
| R1 | 2/4 (50.0%) |
| R2 (gross disease left behind) | 2/2 (100%) |
| No surgery | 2/4 (50.0%) |
| Group B (metastatic/recurrent disease, potentially operable) (n = 22) | |
| R0 | 7/11 (63.6%) |
| R1 | 1/2 (50.0%) |
| R2 (gross disease left behind) | 3/5 (60.0%) |
| No surgery | 1/3 (33.3%) |
| Unknown | 1/1 (100%) |
GIST gastrointestinal stromal tumor
