| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Circumscribed neurofibroma | Is a | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier |  | 
| [M]Neurofibroma NOS | Is a | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier |  | 
| Cutaneous neurofibroma | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Neurofibroma of orbit proper | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Neurofibroma of choroid | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Neurofibroma of eyelid | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Neurofibromatosis type 1 | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 2 | 
| Cutaneous storiform neurofibroma | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Excision of neurofibroma, extensive | Direct morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Diffuse neurofibroma | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Axillary freckling due to neurofibromatosis | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 2 | 
| Multiple café-au-lait macules due to neurofibromatosis | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 2 | 
| Multiple neurofibromas in neurofibromatosis | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Plexiform neurofibroma | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 3 | 
| Elephantiasis neurofibromatosa | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 2 | 
| Neurofibroma | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Myxoid neurofibroma | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Epithelioid neurofibroma | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Pacinian neurofibroma | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 2 | 
| Excision of neurofibroma of cutaneous nerve | Direct morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Excision of neurofibromata | Direct morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Excision of neurofibroma of cutaneous nerve | Direct morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 2 | 
| Excision of neurofibroma of cutaneous nerve | Direct morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 3 | 
| Excision of neurofibroma of cutaneous nerve | Direct morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 2 | 
| Excision of neurofibroma of cutaneous nerve | Direct morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 3 | 
| Excision of neurofibroma of cutaneous nerve | Direct morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 2 | 
| Excision of neurofibroma of cutaneous nerve | Direct morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 3 | 
| Neurofibroma of subcutaneous tissue | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Excision of neurofibroma of cutaneous nerve | Direct morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 2 | 
| Excision of neurofibroma of cutaneous nerve | Direct morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Neurofibroma of choroid | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Cutaneous storiform neurofibroma | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Cutaneous neurofibroma | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Neurofibroma of orbit proper | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Neurofibroma of subcutaneous tissue | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Excision of neurofibromata | Direct morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Neurofibroma of eyelid | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Excision of neurofibroma, extensive | Direct morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Neurofibroma of upper limb | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Atypical neurofibroma | Is a | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier |  | 
| Excision of neurofibroma, extensive | Direct morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 2 | 
| Excision of neurofibroma | Direct morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Neurofibroma of face | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Neurofibroma of lower limb | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Neurofibroma of trunk | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Neurofibroma of neck | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Neurofibroma of thorax | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Neurofibroma of hand | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Neurofibroma of head | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Neurofibroma of pelvis | Associated morphology | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| [M]Neurofibroma NOS | Is a | False | Neurofibroma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier |  |