| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Malignant histiocytosis of lymph nodes of inguinal region AND/OR lower limb | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant histiocytosis of lymph nodes of multiple sites | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant histiocytosis of extranodal AND/OR solid organ site | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Primary malignant neoplasm of accessory sinus | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 1 | 
| Primary malignant neoplasm of areola of female breast | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 1 | 
| Primary malignant neoplasm of epicardium | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Primary malignant neoplasm of heart | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Primary malignant neoplasm of pericardium | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 1 | 
| Primary malignant neoplasm of scapula | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 3 | 
| Primary malignant neoplasm of scapula | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Primary malignant neoplasm of soft tissues of neck | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Primary malignant neoplasm of thymus | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Primary malignant neoplasm of trachea | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 1 | 
| Secondary malignant neoplasm of muscle of abdomen | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 1 | 
| Secondary malignant neoplasm of thymus | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Secondary malignant neoplasm of thymus | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 3 | 
| Overlapping malignant neoplasm of mediastinum and pleura | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 1 | 
| Malignant tumour of lower labial mucosa | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant tumour of lipstick area of lip | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of other site of heart, thymus and mediastinum | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 3 | 
| Malignant neoplasm of heart, thymus and mediastinum NOS | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of other and ill-defined sites within the respiratory and intrathoracic organs | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 3 | 
| Malignant neoplasm of upper respiratory tract, part unspecified | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of other site of respiratory tract | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 3 | 
| Malignant neoplasm of respiratory tract NOS | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| [X]Malignant neoplasm of respiratory and intrathoracic organs | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 3 | 
| [X]Malignant neoplasm of ill-defined sites within the respiratory system | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 3 | 
| Ca trachea/bronchus/lung NOS | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant tumour of anterior pillar of fauces | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 4 | 
| Malignant tumour of branchial cleft | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 3 | 
| Malignant neoplasm of nasal cavities, middle ear and accessory sinuses | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant tumor of tympanic cavity | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 3 | 
| Malignant neoplasm of trachea, bronchus and lung | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 3 | 
| Malignant neoplasm of thymus, heart and mediastinum | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 3 | 
| Malignant neoplasm of connective and soft tissue of inguinal region | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant tumour of optic nerve and sheath | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Carcinoma of upper buccal sulcus | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 4 | 
| Carcinoma of upper buccal sulcus | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 3 | 
| Carcinoma of lower buccal sulcus | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 3 | 
| Malignant tumour of labial mucosa | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant tumour of anterior floor of mouth | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 4 | 
| Malignant tumour of lateral floor of mouth | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 5 | 
| Malignant neoplasm of retrocaecal tissue | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 3 | 
| Malignant neoplasm of upper lip, external | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 1 | 
| Malignant neoplasm of upper lip, lipstick area | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 1 | 
| Malignant neoplasm of lower lip, external | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 1 | 
| Malignant tumour of upper labial mucosa | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 1 | 
| Malignant neoplasm of upper lip, buccal aspect | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 1 | 
| Malignant neoplasm of upper labial frenulum | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 6 | 
| Malignant neoplasm of lower lip, buccal aspect | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 3 | 
| Malignant neoplasm of lower labial frenulum | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 6 | 
| Malignant neoplasm of lower lip, mucosa | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant tumour of lip | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant tumour of vermilion border of upper lip | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant tumour of vermilion border of lower lip | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant tumour of submandibular gland | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 6 | 
| Malignant tumour of sublingual gland | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 3 | 
| Malignant tumour of floor of mouth | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant tumour of buccal mucosa | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 4 | 
| Malignant tumour of hard palate | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 6 | 
| Malignant tumour of palate | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant tumour of upper buccal sulcus | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 4 | 
| Malignant tumour of upper buccal sulcus | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant tumour of lower buccal sulcus | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 3 | 
| Malignant tumour of lower buccal sulcus | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant tumour of upper labial sulcus | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 4 | 
| Malignant neoplasm of olfactory bulb | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of lip, unspecified | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 1 | 
| Malignant neoplasm of upper lip, vermilion border NOS | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of other sites of floor of mouth | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of floor of mouth NOS | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of other sites of lip | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of vermilion border of lip unspecified | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of lip, unspecified, external | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of lip, unspecified, lipstick area | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of lip, vermilion border NOS | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of lip unspecified, mucosa | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of lip, inner aspect NOS | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of lower lip, vermilion border NOS | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of upper lip, inner aspect NOS | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of lower lip, inner aspect NOS | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of lip unspecified, inner aspect | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of junction of hard and soft palate | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of palate unspecified | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of palate NOS | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Carcinoma of upper labial sulcus | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 3 | 
| Overlapping malignant neoplasm of mediastinum and pleura | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 1 | 
| Malignant neoplasm of labial frenulum | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of lip unspecified, inner aspect | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of lip unspecified, frenulum | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of other sites of lip | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of vermilion border of lip unspecified | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of lip, unspecified, external | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of lip, unspecified, lipstick area | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of lip, vermilion border NOS | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of ventral tongue surface NOS | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 1 | 
| Malignant neoplasm of other sites of tongue | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 1 | 
| Malignant neoplasm of tongue NOS | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of other sites of floor of mouth | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of floor of mouth NOS | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 2 | 
| Malignant neoplasm of other site of heart, thymus and mediastinum | Associated morphology | False | Malignant Neoplasm (Morphology) | Inferred relationship | Some | 1 |