List 11 causes of a solitary small bowel mass.

1. Adenocarcinoma
2. Leiomyoma
3. Leiomyosarcoma
4. Lymphoma (usually multiple)
5. Metastasis (usually multiple)
6. Neurofibroma (usually multiple)
7. Carcinoid tumor
8. Adenoma
9. Kaposi’s sarcoma
10. Endometrioma
11. Foreign body