<unk>  has a large number of causes, including: *Alcohol use disorder. *Bile reflux, such as may be seen post-Billroth II. *NSAIDs.
Reactive gastropathy
Portal hypertensive gastropathy
Atrophic gastritis
Fibrosing colonopathy
Gastric varices
Gastrointestinal intraepithelial neoplasia
Perforated ulcer
Gastric lymphoma