Sites of Disease and Types of Therapy
| Primary | Metastasis | Before 131I-MIBG | After 131I-MIBG | ||||
| Site | n | Site | n | Therapy | % | Therapy | % |
| Unknown | 83 | Liver | 183 | Surgery | 63 | Chemotherapy | 19 |
| Small bowel | 67 | Bone | 41 | Radiation | 10 | Embolization | 5 |
| Lung | 22 | Lungs | 40 | Embolization | 6 | 131I-MIBG | 19 |
| Colon | 6 | Carcinomatosis | 29 | Chemotherapy | 27 | Surgery | 3 |
| Cecum | 5 | Mediastinum | 17 | Sandostatin | 72 | Radiation | 4 |
| Gastric | 5 | Mesentery | 8 | ||||
| Rectal | 5 | Adnexa | 6 | ||||
| Appendix | 4 | Pancreas | 6 | ||||
| Pancreas | 4 | Adrenal | 4 | ||||
| Mesentery | 4 | Kidney | 3 | ||||
| Thymic | 3 | Skin | 2 | ||||
| Cardiac | 1 | Bladder | 1 | ||||
| Ovary | 1 | Gastric | 1 | ||||
| Retroperitoneal | 1 | Gallbladder | 1 | ||||
| Muscle | 1 | ||||||
| Orbit | 1 | ||||||
| Spleen | 1 | ||||||