| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Retromammary space | Is a | True | Breast part | Inferred relationship | Some |  | 
| Mastectomy scar site | Is a | False | Breast part | Inferred relationship | Some |  | 
| Region of breast | Is a | True | Breast part | Inferred relationship | Some |  | 
| Glandular structure of breast | Is a | True | Breast part | Inferred relationship | Some |  | 
| Connective tissue of breast | Is a | True | Breast part | Inferred relationship | Some |  | 
| Nipple anatomy | Is a | False | Breast part | Inferred relationship | Some |  | 
| Nipple structure | Is a | False | Breast part | Inferred relationship | Some |  | 
| Subcutaneous tissue structure of breast | Is a | False | Breast part | Inferred relationship | Some |  | 
| Areola structure | Is a | False | Breast part | Inferred relationship | Some |  | 
| Structure of lobe of breast | Is a | True | Breast part | Inferred relationship | Some |  | 
| Structure of areolar venous plexus | Is a | False | Breast part | Inferred relationship | Some |  | 
| Mammary gland sinus | Is a | True | Breast part | Inferred relationship | Some |  | 
| Structure of retromammary fat | Is a | False | Breast part | Inferred relationship | Some |  | 
| Skin structure of breast | Is a | False | Breast part | Inferred relationship | Some |  | 
| Excision of intraductal papilloma of breast | Procedure site | False | Breast part | Inferred relationship | Some | 1 | 
| Wide local excision of breast lesion | Procedure site | False | Breast part | Inferred relationship | Some | 1 | 
| Debridement of breast | Procedure site | False | Breast part | Inferred relationship | Some | 1 | 
| Partial mastectomy with axillary lymphadenectomy | Procedure site | False | Breast part | Inferred relationship | Some | 2 | 
| segmentell excision av bröst | Procedure site | False | Breast part | Inferred relationship | Some | 1 | 
| Excision of cyst of breast | Procedure site | False | Breast part | Inferred relationship | Some | 1 | 
| Excision of aberrant tissue of breast | Procedure site | False | Breast part | Inferred relationship | Some | 1 | 
| Partial mastectomy | Procedure site | False | Breast part | Inferred relationship | Some | 1 | 
| Excision of fibroadenoma of breast | Procedure site | False | Breast part | Inferred relationship | Some | 1 | 
| Wire guided excision of breast lump under radiological control | Procedure site | False | Breast part | Inferred relationship | Some | 1 | 
| Other excision of breast operations | Procedure site | False | Breast part | Inferred relationship | Some | 1 | 
| Other specified other excision of breast | Procedure site | False | Breast part | Inferred relationship | Some | 1 | 
| Other excision of breast NOS | Procedure site | False | Breast part | Inferred relationship | Some | 1 | 
| Partial mastectomy NEC | Procedure site | False | Breast part | Inferred relationship | Some | 1 | 
| Modified radical mastectomy, bilateral | Procedure site | False | Breast part | Inferred relationship | Some | 1 | 
| modifierad radikal mastektomi, ensidig | Procedure site | False | Breast part | Inferred relationship | Some | 2 | 
| Modified radical mastectomy (procedure) | Procedure site | False | Breast part | Inferred relationship | Some | 2 | 
| Patey total mastectomy (procedure) | Procedure site | False | Breast part | Inferred relationship | Some | 1 | 
| Excision of intraductal papilloma of breast | Procedure site - Direct (attribute) | False | Breast part | Inferred relationship | Some | 2 | 
| Partial mastectomy with axillary lymphadenectomy | Procedure site - Direct (attribute) | True | Breast part | Inferred relationship | Some | 2 | 
| segmentell excision av bröst | Procedure site - Direct (attribute) | False | Breast part | Inferred relationship | Some | 1 | 
| Excision of aberrant tissue of breast | Procedure site - Direct (attribute) | False | Breast part | Inferred relationship | Some | 1 | 
| Partial mastectomy | Procedure site - Direct (attribute) | False | Breast part | Inferred relationship | Some | 1 | 
| Wire guided excision of breast lump under radiological control | Procedure site - Direct (attribute) | False | Breast part | Inferred relationship | Some | 1 | 
| Other excision of breast operations | Procedure site - Direct (attribute) | False | Breast part | Inferred relationship | Some | 1 | 
| Other specified other excision of breast | Procedure site - Direct (attribute) | False | Breast part | Inferred relationship | Some | 1 | 
| Other excision of breast NOS | Procedure site - Direct (attribute) | False | Breast part | Inferred relationship | Some | 1 | 
| Partial mastectomy NEC | Procedure site - Direct (attribute) | False | Breast part | Inferred relationship | Some | 1 | 
| Lumpectomy of breast (procedure) | Procedure site - Direct (attribute) | False | Breast part | Inferred relationship | Some | 1 | 
| Wire guided wide local excision of breast lump under radiological control (procedure) | Procedure site - Direct (attribute) | True | Breast part | Inferred relationship | Some | 2 | 
| Partial excision of breast using guide wire (procedure) | Procedure site - Direct (attribute) | False | Breast part | Inferred relationship | Some | 1 | 
| Wire guided excision of breast lump under radiological control | Procedure site - Direct (attribute) | True | Breast part | Inferred relationship | Some | 1 | 
| Other specified other excision of breast | Procedure site - Direct (attribute) | False | Breast part | Inferred relationship | Some | 1 | 
| Other excision of breast NOS | Procedure site - Direct (attribute) | False | Breast part | Inferred relationship | Some | 1 | 
| Wire guided wide local excision of breast lump under radiological control (procedure) | Procedure site - Direct (attribute) | True | Breast part | Inferred relationship | Some | 1 | 
| Specimen from breast obtained by complete excision of lesion, less than total mastectomy | Specimen source topography | False | Breast part | Inferred relationship | Some | 1 | 
| Partial mastectomy NEC | Procedure site - Direct (attribute) | False | Breast part | Inferred relationship | Some | 1 | 
| segmentell excision av bröst | Procedure site - Direct (attribute) | False | Breast part | Inferred relationship | Some | 1 | 
| Other excision of breast operations | Procedure site - Direct (attribute) | False | Breast part | Inferred relationship | Some | 1 | 
| Specimen from breast obtained by complete excision, less than total mastectomy, without axillary contents | Specimen source topography | False | Breast part | Inferred relationship | Some | 1 | 
| Excision of aberrant tissue of breast | Procedure site - Direct (attribute) | True | Breast part | Inferred relationship | Some | 1 | 
| Specimen from breast obtained by complete excision, less than total mastectomy, with axillary contents | Specimen source topography | False | Breast part | Inferred relationship | Some | 1 | 
| Specimen from breast obtained by excision (specimen) | Specimen source topography | False | Breast part | Inferred relationship | Some | 1 | 
| Partial excision of breast using guide wire (procedure) | Procedure site - Direct (attribute) | True | Breast part | Inferred relationship | Some | 1 | 
| Partial mastectomy | Procedure site - Direct (attribute) | True | Breast part | Inferred relationship | Some | 1 | 
| Lumpectomy of breast (procedure) | Procedure site - Direct (attribute) | True | Breast part | Inferred relationship | Some | 1 | 
| Specimen from breast obtained by complete excision, less than total mastectomy, with axillary contents | Specimen source topography | True | Breast part | Inferred relationship | Some | 1 | 
| Specimen from breast obtained by excision (specimen) | Specimen source topography | False | Breast part | Inferred relationship | Some | 1 | 
| Specimen from breast obtained by complete excision, less than total mastectomy, without axillary contents | Specimen source topography | True | Breast part | Inferred relationship | Some | 1 | 
| Specimen from breast obtained by complete excision of lesion, less than total mastectomy | Specimen source topography | True | Breast part | Inferred relationship | Some | 1 | 
| Specimen from breast obtained by mastectomy with axillary contents (specimen) | Specimen source topography | False | Breast part | Inferred relationship | Some | 1 | 
| Traumatic amputation of part of breast (disorder) | Finding site | True | Breast part | Inferred relationship | Some | 1 | 
| Segmentectomy of breast | Procedure site - Direct (attribute) | True | Breast part | Inferred relationship | Some | 2 | 
| Part of left breast (body structure) | Is a | True | Breast part | Inferred relationship | Some |  | 
| Part of right breast (body structure) | Is a | True | Breast part | Inferred relationship | Some |  | 
| Excision of ectopic tissue of breast (procedure) | Procedure site - Direct (attribute) | True | Breast part | Inferred relationship | Some | 1 | 
| Structure of mammary branch of internal thoracic artery | Is a | False | Breast part | Inferred relationship | Some |  | 
| Structure of lymphatic vessel of mammary gland (body structure) | Is a | False | Breast part | Inferred relationship | Some |  | 
| Segmentectomy breast specimen (specimen) | Specimen source topography | True | Breast part | Inferred relationship | Some | 1 | 
| Structure of skin and/or subcutaneous tissue of breast (body structure) | Is a | False | Breast part | Inferred relationship | Some |  | 
| Acquired partial absence of breast (disorder) | Finding site | True | Breast part | Inferred relationship | Some | 1 | 
| Structure of soft tissue of breast (body structure) | Is a | True | Breast part | Inferred relationship | Some |  |