May Be Caused by

Amyloidosis

Ascaris

Behçet disease

Breast cancer metastasis

Brunner gland hyperplasia

Carcinoid

Crohn disease

Enterolith

Food particles

Foreign bodies

Gallstone

Gastrointestinal stromal tumor

Hemangioma

Hyperplastic Peyer patches in ileum

Kaposi sarcoma

Leiomyoma

Lipoma

Mastocytosis

Meconium ileus

Metastatic lung cancer

Metastatic melanoma

Metastatic ovarian cancer

Neurofibroma

Nodular lymphoid hyperplasia

Pill ingestion

Polyposis syndrome

Seeds

Tapeworm

Thrombus

Varices