Operation on breast (procedure)

• Breast operation
• Mammary gland operation
• Mammary operation
• Operation on breast

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

• Breast procedure (procedure)
• Endocrine system and/or breast operations (procedure)
• Surgical procedure on thorax (procedure)