| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Costello syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Dyskeratosis congenita | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Beckwith-Wiedemann syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| familjärt multipelt tumörsyndrom | Is a | False | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Von Hippel-Lindau syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Multiple endocrine neoplasia, type 2 | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Familial cancer of breast | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Xeroderma pigmentosum | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Nephroblastoma | Is a | False | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Sotos' syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Fanconi's anemia | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Microcephaly, normal intelligence and immunodeficiency | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Familial multiple polyposis syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Simpson-Golabi-Behmel syndrome (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Drash syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Li-Fraumeni syndrome (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Bannayan syndrome | Is a | False | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Cockayne syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Noonan's syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| HNPCC - hereditary nonpolyposis colon cancer | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Multiple endocrine neoplasia, type 1 | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Arteriohepatic dysplasia | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Ataxia-telangiectasia syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Aase syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Rubinstein-Taybi syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Polyostotic fibrous dysplasia of bone | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Schinzel-Giedion syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Werner syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Tuberous sclerosis syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Congenital neutropenia | Is a | False | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Mosaic variegated aneuploidy syndrome (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Emberger syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Ataxia-telangiectasia-like disorder (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| neurofibramatos 3 | Is a | False | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| neurofibromatos 2 | Is a | False | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| neurofibromatos 1 | Is a | False | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Schöpf-Schulz-Passarge syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Megalencephaly capillary malformation | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| familjär icke-polypös kolorektalcancer | Is a | False | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Aicardi's syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Common variable agammaglobulinemia | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Langerhans cell histiocytosis - Hashimoto-Pritzker type (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Rothmund-Thomson syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Wiskott-Aldrich syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Tyrosinemia type I (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Familial papillary thyroid carcinoma with renal papillary neoplasia syndrome (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Hereditary keratoacanthoma (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Hereditary diffuse carcinoma of stomach (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Melanoma and neural system tumour syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Lynch syndrome (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Rombo syndrome (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Autoimmune lymphoproliferative syndrome with recurrent viral infection (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Perlman syndrome (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Palmoplantar keratoderma, 46,XX sex reversal, predisposition to squamous cell carcinoma syndrome (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Paraganglioma and gastric stromal sarcoma syndrome (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| N syndrome (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Dianzani autoimmune lymphoproliferative disease (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| RAS-associated autoimmune leukoproliferative disease (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Familial platelet syndrome with predisposition to acute myelogenous leukemia (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Ligase 4 syndrome (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Hereditary papillary renal cell carcinoma (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| PTEN hamartoma tumor syndrome (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Constitutional mismatch repair deficiency syndrome (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Familial renal cell carcinoma (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Hereditary clear cell renal cell carcinoma | Is a | False | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| BAP1 tumor predisposition syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Inherited cancer-predisposing syndrome due to biallelic BRCA2 mutation (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Combined immunodeficiency due to OX40 deficiency | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Melanogenesis associated transcription factor related melanoma and renal cell carcinoma predisposition syndrome (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Autosomal recessive lymphoproliferative disease (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Gastric adenocarcinoma and proximal polyposis of stomach (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| LMNA-related cardiocutaneous progeria syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Oligodontia and cancer predisposition syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Rhabdoid tumour predisposition syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| X-linked severe congenital neutropenia (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Shwachman syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Kostmann syndrome (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Autosomal dominant severe congenital neutropaenia | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Familial cutaneous telangiectasia and oropharyngeal cancer predisposition syndrome (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Noonan syndrome-like disorder with juvenile myelomonocytic leukaemia | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| B-K mole (nevus) syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Follicular atrophoderma and basal cell epitheliomata | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Multiple self-healing epithelioma of Ferguson-Smith | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| DICER1 syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Multiple endocrine neoplasia, type 3 | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Neurofibromatosis syndrome | Is a | False | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Gorlin syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Hereditary mixed polyposis syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Peutz-Jeghers syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Autoimmune lymphoproliferative syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Proteus syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Hereditary leiomyomatosis and renal cell carcinoma (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| DDX41-related hematologic malignancy predisposition syndrome | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Combined immunodeficiency due to CARMIL2 deficiency | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Combined immunodeficiency due to ITK deficiency | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Combined immunodeficiency due to CD70 deficiency (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  | 
| Warts, immunodeficiency, lymphedema, anogenital dysplasia syndrome (disorder) | Is a | True | Hereditary cancer-predisposing syndrome | Inferred relationship | Some |  |