Patient- and Tumor-Related Characteristics
| Characteristic | Data |
| Age (y) | 61 (43–81) |
| Sex | |
| Male | 15 (68.2%) |
| Female | 7 (31.8%) |
| Histologic tumor grade (24 lesions) | |
| Grade 1 | 12 (50%) |
| Grade 2 | 12 (50%) |
| Tumor location | |
| Stomach | 1 (4.2%) |
| Small bowel | 9 (37.5%) |
| Rectum | 1 (4.2%) |
| Pancreas | 13 (54.2%) |
| Presence of metastases | 20 (80.0%) |
Qualitative data are expressed as numbers followed by percentages in parentheses; continuous data are expressed as mean ± SD followed by range in parentheses.