| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Intraduct papilloma of pancreas | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Chondromatosis | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Odontogenic ghost cell tumour | Is a | False | Neoplasm, benign | Inferred relationship | Some |  | 
| Benign neoplasm of peripheral nerve | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of autonomic nerve | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of colostomy site | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Acoustic neuroma | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Vestibular papillomatosis | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Temporal odontoma | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 3 | 
| Temporal odontoma | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Fibroadenoma of prostate | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Meningothelial meningioma | Is a | False | Neoplasm, benign | Inferred relationship | Some |  | 
| Lymphangioma | Is a | False | Neoplasm, benign | Inferred relationship | Some |  | 
| Neurofibromatosis type 2 | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 5 | 
| Intramural leiomyoma of uterus | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Myoepithelioma | Is a | True | Neoplasm, benign | Inferred relationship | Some |  | 
| Benign tumour of choroid plexus | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Adenomatous polyposis coli | Is a | False | Neoplasm, benign | Inferred relationship | Some |  | 
| Endometrial stromal nodule | Is a | False | Neoplasm, benign | Inferred relationship | Some |  | 
| Endometrioid adenoma | Is a | False | Neoplasm, benign | Inferred relationship | Some |  | 
| Syringoma | Is a | False | Neoplasm, benign | Inferred relationship | Some |  | 
| Periungual fibroma in tuberous sclerosis | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Excision of benign salivary neoplasm | Direct morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Osteoid osteoma | Is a | False | Neoplasm, benign | Inferred relationship | Some |  | 
| Benign neoplasm of pericardium | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of pericardium | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Benign tumour of oesophagus, stomach and/or duodenum | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign tumour of oesophagus, stomach and/or duodenum | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Benign neoplasm of mesothelial tissue of pericardium | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of mesothelial tissue of pericardium | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Benign connective tissue neoplasm | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Benign connective tissue neoplasm | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Dermatofibroma | Is a | False | Neoplasm, benign | Inferred relationship | Some |  | 
| Dermoid cyst | Is a | False | Neoplasm, benign | Inferred relationship | Some |  | 
| Gangliocytic paraganglioma | Is a | False | Neoplasm, benign | Inferred relationship | Some |  | 
| Benign neoplasm of laryngeal aspect of aryepiglottic fold | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of laryngeal aspect of aryepiglottic fold | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Benign neoplasm of soft tissues of axilla | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of soft tissues of axilla | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Mesonephroma, benign | Is a | True | Neoplasm, benign | Inferred relationship | Some |  | 
| Intracanalicular fibroadenoma | Is a | True | Neoplasm, benign | Inferred relationship | Some |  | 
| Benign neoplasm of urachus | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of urachus | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Benign neoplasm of coccygeal body | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of coccygeal body | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Benign neoplasm of thyroglossal duct | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of thyroglossal duct | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Benign neoplasm of glomus jugulare | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of glomus jugulare | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Benign neoplasm of muscle of inguinal region | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of muscle of inguinal region | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Angiolipoma | Is a | False | Neoplasm, benign | Inferred relationship | Some |  | 
| Benign neoplasm of central portion of female breast | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of central portion of female breast | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Laryngotracheal papillomatosis | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Laryngotracheal papillomatosis | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Benign neoplasm of areola of female breast | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of areola of female breast | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Benign neoplasm of round ligament of uterus | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of round ligament of uterus | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Benign neoplasm of eyelid including canthus | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of eyelid including canthus | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Benign tumour of eyelid | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign tumour of eyelid | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Benign neoplasm of costal cartilage | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of costal cartilage | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Squamous cell papilloma of eyelid | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Squamous cell papilloma of eyelid | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 3 | 
| Benign neoplasm of main bronchus | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of main bronchus | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Benign tumour of sella turcica | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign tumour of sella turcica | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Seborrhoeic keratosis of eyelid | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Seborrhoeic keratosis of eyelid | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 3 | 
| Benign neoplasm of axillary tail of female breast | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of axillary tail of female breast | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Benign neoplasm of thoracic vertebral column | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of thoracic vertebral column | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Benign neoplasm of connective and soft tissue of retroperitoneum | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of connective and soft tissue of retroperitoneum | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Benign tumour of acoustic vestibular nerve | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign tumour of acoustic vestibular nerve | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Benign tumour of soft tissue of back | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign tumour of soft tissue of back | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Naevus of eyelid | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Naevus of eyelid | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 3 | 
| Benign neoplasm soft tissues of lumbar spine | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm soft tissues of lumbar spine | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Benign neoplasm of uterine adnexa | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of uterine adnexa | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Benign neoplasm of lumbar vertebral column | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of lumbar vertebral column | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Benign neoplasm of bony palate | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of bony palate | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Benign neoplasm of temporal bone | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of temporal bone | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Round ligament fibroid | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Round ligament fibroid | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 3 | 
| Benign neoplasm of nasal skeleton | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 | 
| Benign neoplasm of nasal skeleton | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 2 | 
| Papilloma of eyelid | Associated morphology | False | Neoplasm, benign | Inferred relationship | Some | 1 |