Gastrointestinal tract endoscopy (procedure)

• Digestive endoscopy
• Endoscopy of GI tract
• Gastrointestinal tract endoscopy

• Procedure (procedure) and Role group (attribute) some (
      Method (attribute) some Inspection - action (qualifier value) and
      Procedure site - Direct (attribute) some Gastrointestinal tract structure (body structure) and
      Using device (attribute) some Gastrointestinal endoscope (physical object))

• Endoscopy (procedure)
• Evaluation of gastrointestinal tract (procedure)
• Examination of body system (procedure)