| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Paget's disease of skin | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Intraductal micropapillary carcinoma | Is a | False | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Cystic hypersecretory carcinoma | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Atypical medullary carcinoma | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Duct carcinoma, desmoplastic type | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Infiltrating duct mixed with other types of carcinoma | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Infiltrating lobular mixed with other types of carcinoma | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Polymorphous low grade adenocarcinoma | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Intraductal carcinoma and lobular carcinoma in situ | Is a | False | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| intracystiskt karcinom | Is a | False | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Paget's disease, mammary (morphologic abnormality) | Is a | False | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Noninfiltrating intraductal papillary adenocarcinoma | Is a | False | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Intraductal papillomatosis | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Medullary carcinoma | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Inflammatory carcinoma | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Infiltrating duct and lobular carcinoma | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Comedocarcinoma | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Juvenile carcinoma of the breast | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Intracystic papillary adenoma | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Intraductal papilloma | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Paget's disease and intraductal carcinoma of breast | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Infiltrating ductular carcinoma | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Intraductal papillary adenocarcinoma with invasion | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Adenoma of the nipple | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Paget's disease, extramammary (except Paget's disease of bone) | Is a | False | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Lobular carcinoma in situ | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Comedocarcinoma, noninfiltrating | Is a | False | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Paget's disease and infiltrating duct carcinoma of breast | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Infiltrating duct carcinoma | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Medullary carcinoma with lymphoid stroma | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| intraduktalt carcinoma in situ | Is a | False | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| icke infiltrativt intracystiskt karcinom | Is a | False | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Lobular carcinoma | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| [M]Ductal, lobular and medullary neoplasms | Is a | False | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| [M]Ductal, lobular or medullary neoplasm NOS | Is a | False | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Ductal carcinoma in situ with microinvasion (morphologic abnormality) | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Infiltrating carcinoma with ductal and lobular features (morphologic abnormality) | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Mixed acinar-ductal carcinoma (morphologic abnormality) | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Encapsulated papillary carcinoma (morphologic abnormality) | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Encapsulated papillary carcinoma with invasion | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Cystic hypersecretory carcinoma, intraductal | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Invasive micropapillary carcinoma of breast | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Solid papillary carcinoma with invasion (morphologic abnormality) | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| duktalt karcinom, ingen International Classification of Diseases för onkologisk subtyp | Is a | False | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Intraductal papillary neoplasm with high grade intraepithelial neoplasia (morphologic abnormality) | Is a | False | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Intracystic papillary neoplasm with low grade intraepithelial neoplasia (morphologic abnormality) | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Intraductal papillary neoplasm with invasive carcinoma (morphologic abnormality) | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  | 
| Non-infiltrating intraductal carcinoma | Is a | True | Ductal, lobular AND/OR medullary neoplasm | Inferred relationship | Some |  |