Operation on intestine (procedure)

• Operation on intestine

• Surgical procedure (procedure) and Role group (attribute) some (
      Method (attribute) some Surgical action (qualifier value) and
      Procedure site (attribute) some Intestinal structure (body structure))

• Operation on gastrointestinal tract (procedure)
• Operative procedure on digestive organ (procedure)
• Procedure on intestine (procedure)
• Operation on abdominal region (procedure)