May Be Caused by

 Common

Gastric cancer

Gastritis

Lymphoma

Marginal ulcer

Peptic ulcer

 Uncommon

Carcinoid

Corrosive gastritis

Crohn disease

Cryptosporidium antritis

Eosinophilic gastritis

Gastrointestinal stromal tumor

Hepatic arterial infusion chemotherapy

Kaposi sarcoma

Leiomyoma

Leiomyosarcoma

Ménétrier disease

Metastatic melanoma

Neurofibroma

Pseudolymphoma

Radiation therapy

Suture line ulceration

Tuberculosis