Table 1. Demographics and clinical-pathologic information.
| Age: median (range) | 61 (25–74) |
| Sex: male/female (%) | 16 (50%)/16 (50%) |
| Median follow-up (months) | 92 |
| Median size of primary tumors (cm; range) | 5 (0.5–20) |
| Median mitotic count (/50HPF) (range) | 5.5 (0–200) |
| Primary tumor presentation: | |
| Localized (%) | 27 (84%) |
| Metastatic (%) | 5 (16%) |
| Primary tumor site: | |
| Stomach (%) | 15 (47%) |
| Small-bowel (%) | 10 (31%) |
| Rectum (%) | 4 (13%) |
| Colon (%) | 1 (3%) |
| Omentum (%) | 2 (6%) |
| Metastatic events (%) | 14 (44%) |
| Subtype: | |
| Epithelioid (%) | 14 (44%) |
| Others (%) | 18 (56%) |
| KIT Expression: | |
| ≤10% | 12 (37.5%) |
| Absolute negative | 20 (62.5%) |
| Genotype: | |
| Wild type | 18 (56%) |
| KIT mutation | 7 (22%) |
| PDGFRA mutation | 7 (22%) |