A disorder characterized by a circumscribed, inflammatory and necrotic erosive lesion on the mucosal surface of the stomach.
An ulcerated lesion in the mucosal surface of the stomach. It may progress to involve the deeper layers of the gastric wall.
Ulceration of the gastric mucosa due to contact with gastric juice. It is often associated with helicobacter pylori infection or consumption of nonsteroidal anti-inflammatory drugs (nsaids).