| Organs | Diagnostics after immunohistochemical examination | ||||
| GIST | Kaposi’s sarcoma | Leiomyoma | Leiomyosarcoma | Schwannoma | |
| Colon | 7 | 0 | 1 | 1 | 1 |
| Stomach | 8 | 1 | 1 | 1 | 0 |
| Small intestine | 8 | 0 | 0 | 0 | 0 |