| Primitive tumors | Kouakou 26 cases (1988-1990) | Daboiko 42 cases (1994-2002) | Our study 80 cases (2005-2016) |
| Prostatic | 34.61 | 54.8% | 50% |
| Pulmonary | 7.69 | 2.4% | 18.8% |
| Breast | 3.85 | 2.4% | 11.3% |
| Thyroid | 7.69 | 7.1% | 7.5% |
| Uterine | - | - | 2.5% |
| Cervix | - | - | 2.5% |
| Renal | - | - | 2.5% |
| Liver | 11.54 | 7.1% | 2.5% |
| Bladder | - | - | 1.3% |
| Adrenal | - | - | 1.3% |
| Colon | - | 2.4% | - |
| Ovary | - | 4.8% | - |
| Unknown | 13.06 | 19% | Excluded |