NCIt definition : An ulcerated lesion in the mucosal surface of the stomach. It may progress to involve
the deeper layers of the gastric wall.;
Alternative definition : CTCAE: A disorder characterized by a circumscribed, inflammatory and necrotic erosive
lesion on the mucosal surface of the stomach.; FDA: The formation of sores or a break in the wall of the stomach.;
https://www.pasteur.fr/fr/centre-medical/fiches-maladies/cancers-ulceres-gastriques 2024 France popular works stomach ulcer Gastric Ulcer gastric ulcer, nos