Peptic ulcer (disorder)

• Gastroduodenal ulcer
• PU - Peptic ulcer
• PUD - Peptic ulcer disease
• Peptic ulcer
• Peptic ulcer disease
• Peptic ulceration

• Disease (disorder) and Role group (attribute) some (
      Associated morphology (attribute) some Ulcer (morphologic abnormality) and
      Finding site (attribute) some Upper gastrointestinal tract structure (body structure))

• Gastrointestinal ulcer (disorder)
• Disorder of upper gastrointestinal tract (disorder)