Operation on bladder (procedure)

• Bladder operation
• Operation on bladder

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

• Operation on abdominal region (procedure)
• Procedure on bladder (procedure)
• Operation on pelvic region of trunk (procedure)
• Operation on urinary tract proper (procedure)