| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| [M]Histiocytic medullary reticulosis | Is a | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier |  | 
| Malignant histiocytosis of lymph nodes of head, face and neck | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of axilla and upper limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of inguinal region and lower limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Histiocytic medullary reticulosis | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of intra-abdominal lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of intrapelvic lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of intrathoracic lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of axilla AND/OR upper limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of head, face AND/OR neck | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of inguinal region AND/OR lower limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of multiple sites | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 3 | 
| Malignant histiocytosis of spleen | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of extranodal AND/OR solid organ site | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of unspecified site | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis NOS | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of inguinal region and lower limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of intra-abdominal lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 5 | 
| Malignant histiocytosis of intrapelvic lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of intrathoracic lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of multiple sites | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 3 | 
| Malignant histiocytosis of lymph nodes of inguinal region and lower limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of intrathoracic lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of intra-abdominal lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of multiple sites | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 3 | 
| Malignant histiocytosis of intrapelvic lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 3 | 
| Malignant histiocytosis involving skin | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of intrathoracic lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of intra-abdominal lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of inguinal region and lower limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 3 | 
| Malignant histiocytosis of lymph nodes of multiple sites | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 3 | 
| Malignant histiocytosis of intrapelvic lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of intrathoracic lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of intra-abdominal lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of inguinal region and lower limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of multiple sites | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of intrapelvic lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 3 | 
| Malignant histiocytosis of intrathoracic lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of intrathoracic lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of intra-abdominal lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of intra-abdominal lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of inguinal region and lower limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of inguinal region and lower limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of multiple sites | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of multiple sites | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of intrapelvic lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of intrapelvic lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of head, face and neck | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of head, face and neck | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of axilla and upper limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of axilla and upper limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of axilla AND/OR upper limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of axilla AND/OR upper limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of head, face AND/OR neck | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of head, face AND/OR neck | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of inguinal region AND/OR lower limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of inguinal region AND/OR lower limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of spleen | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of spleen | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| [M]Malignant histiocytosis | Is a | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier |  | 
| Malignant histiocytosis of intrathoracic lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of intrathoracic lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of intra-abdominal lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of intra-abdominal lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of inguinal region and lower limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of inguinal region and lower limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of multiple sites | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of multiple sites | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of intrapelvic lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of intrapelvic lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of head, face and neck | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of head, face and neck | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of axilla and upper limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of axilla and upper limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of axilla AND/OR upper limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of axilla AND/OR upper limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of head, face AND/OR neck | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of head, face AND/OR neck | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of inguinal region AND/OR lower limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of inguinal region AND/OR lower limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of spleen | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of spleen | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of intrathoracic lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of intrathoracic lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of intra-abdominal lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of intra-abdominal lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of inguinal region and lower limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of inguinal region and lower limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of multiple sites | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of multiple sites | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of intrapelvic lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of intrapelvic lymph nodes | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of head, face and neck | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of head, face and neck | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of axilla and upper limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of axilla and upper limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of axilla AND/OR upper limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant histiocytosis of lymph nodes of axilla AND/OR upper limb | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of head, face AND/OR neck | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of head, face AND/OR neck | Associated morphology | False | Malignant histiocytosis | Inferred relationship | Existential restriction modifier | 2 |