Patient Characteristics
| Parameter | Primary staging, n = 23 (24%) | Restaging, n = 73 (76%) |
| Primary tumor location | ||
| Chest | 1 | 9 |
| Pancreas | 5 | 16 |
| Small bowel | 6 | 31 |
| Colon | 0 | 2 |
| Other | 2 | 5 |
| Unknown | 9 | 10 |
| Tumor grade | ||
| Low | 7 | 35 |
| Intermediate | 4 | 17 |
| High | 0 | 6 |
| Unknown | 12 | 15 |
| Tumor stage | ||
| I | 0 | 7 |
| II | 0 | 2 |
| III | 1 | 10 |
| IV | 2 | 40 |
| Unknown | 20 | 14 |
| Prior treatment | ||
| Surgery | 4 | 50 |
| Chemotherapy | 0 | 15 |
| Octreotide | 1 | 42 |
| PRRT | 0 | 6 |
| Other | 0 | 20 |
| Prior SSTR imaging | ||
| SPECT | 5 | 15 |
| PET | 2 | 8 |
| Both | 1 | 1 |
PRRT = peptide receptor radionuclide therapy; SSTR = somatostatin receptor.