| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Submental lymph node group | Is a | True | Cervical lymph node group | Inferred relationship | Some |  | 
| Submandibular lymph node group | Is a | True | Cervical lymph node group | Inferred relationship | Some |  | 
| Jugular lymph node group | Is a | True | Cervical lymph node group | Inferred relationship | Some |  | 
| Posterior triangle cervical lymph node group | Is a | True | Cervical lymph node group | Inferred relationship | Some |  | 
| Occipital lymph node group | Is a | True | Cervical lymph node group | Inferred relationship | Some |  | 
| Preauricular lymph node group | Is a | True | Cervical lymph node group | Inferred relationship | Some |  | 
| Postauricular lymph node group | Is a | True | Cervical lymph node group | Inferred relationship | Some |  | 
| Supraomohyoid lymph node group | Is a | True | Cervical lymph node group | Inferred relationship | Some |  | 
| Lateral cervical lymph node group | Is a | False | Cervical lymph node group | Inferred relationship | Some |  | 
| Anterior triangle cervical lymph node group | Is a | True | Cervical lymph node group | Inferred relationship | Some |  | 
| Posterolateral cervical lymph node group | Is a | True | Cervical lymph node group | Inferred relationship | Some |  | 
| Block dissection of cervical lymph nodes | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Extended radical neck dissection of cervical lymph nodes | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 2 | 
| Partial glossectomy with unilateral radical neck dissection | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 2 | 
| Cervical lymph nodes sampling | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Sampling of supraclavicular lymph nodes | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 2 | 
| Examination of cervical lymph nodes | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Subtotal supraglottic laryngectomy with radical neck dissection | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 2 | 
| Laryngopharyngoesophagectomy with radical neck dissection and synchronous thyroidectomy | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 3 | 
| Pharyngolaryngectomy with radical neck dissection and reconstruction | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 5 | 
| Radical neck dissection | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Complete laryngectomy with radical neck dissection, synchronous thyroidectomy and synchronous tracheostomy | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 5 | 
| Excision of superficial cervical lymph nodes | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Excision of cervical lymph nodes group | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Suprahyoid lymphadenectomy | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Unilateral radical dissection of neck | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Radical dissection of bilateral sides of neck (procedure) | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Radical lymph node dissection of neck region | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Excision of deep jugular nodes | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 3 | 
| Total laryngectomy with radical neck dissection | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Wookey excision of oesophagus with radical neck dissection | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 2 | 
| Excision of deep cervical lymph nodes | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| X-ray cervical lymph nodes | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 2 | 
| Selective neck dissection of cervical lymph nodes | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Modified radical neck dissection | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Modified radical dissection of bilateral sides of neck | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 2 | 
| Unilateral modified radical dissection of neck | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Modified radical neck dissection of cervical lymph nodes, with preservation of accessory nerve, sternocleidomastoid muscle and internal jugular vein (procedure) | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Modified radical neck dissection of cervical lymph nodes, with preservation of accessory nerve and internal jugular vein (procedure) | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 2 | 
| Modified radical neck dissection of cervical lymph nodes, with preservation of accessory nerve (procedure) | Procedure site | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Block dissection of cervical lymph nodes | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Supraomohyoid lymph nodes neck dissection | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 2 | 
| Extended radical neck dissection of cervical lymph nodes | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 2 | 
| Extended radical neck dissection of cervical lymph nodes | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Selective neck dissection of cervical lymph nodes | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Posterolateral lymph nodes neck dissection | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 2 | 
| Lateral lymph nodes neck dissection | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 2 | 
| Anterior compartment lymph nodes neck dissection | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 2 | 
| Modified radical neck dissection | Procedure site - Direct (attribute) | True | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Excision of superficial cervical lymph nodes | Procedure site - Direct (attribute) | True | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Excision of cervical lymph nodes group | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Modified radical dissection of bilateral sides of neck | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Suprahyoid lymphadenectomy | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Unilateral modified radical dissection of neck | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Radical lymph node dissection of neck region | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Excision of deep jugular nodes | Procedure site - Direct (attribute) | True | Cervical lymph node group | Inferred relationship | Some | 3 | 
| Excision of deep cervical lymph nodes | Procedure site - Direct (attribute) | True | Cervical lymph node group | Inferred relationship | Some | 2 | 
| Posterior lymph nodes neck dissection (procedure) | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 2 | 
| Modified radical neck dissection of cervical lymph nodes, with preservation of accessory nerve, sternocleidomastoid muscle and internal jugular vein (procedure) | Procedure site - Direct (attribute) | True | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Modified radical neck dissection of cervical lymph nodes, with preservation of accessory nerve and internal jugular vein (procedure) | Procedure site - Direct (attribute) | True | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Modified radical neck dissection of cervical lymph nodes, with preservation of accessory nerve (procedure) | Procedure site - Direct (attribute) | True | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Extended radical neck dissection of cervical lymph nodes | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 3 | 
| Extended radical neck dissection of cervical lymph nodes | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 2 | 
| Extended radical neck dissection of cervical lymph nodes | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 2 | 
| Extended radical neck dissection of cervical lymph nodes | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 3 | 
| Extended radical neck dissection of cervical lymph nodes | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 2 | 
| Extended radical neck dissection of cervical lymph nodes | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 3 | 
| X-ray cervical lymph nodes | Procedure site - Direct (attribute) | True | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Extended radical neck dissection of cervical lymph nodes | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 2 | 
| Extended radical neck dissection of cervical lymph nodes | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Suprahyoid lymphadenectomy | Procedure site - Direct (attribute) | True | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Excision of cervical lymph nodes group | Procedure site - Direct (attribute) | True | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Pharyngolaryngectomy with radical neck dissection and reconstruction | Procedure site - Direct (attribute) | True | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Wookey excision of oesophagus with radical neck dissection | Procedure site - Direct (attribute) | True | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Total laryngectomy with radical neck dissection | Procedure site - Direct (attribute) | True | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Laryngopharyngoesophagectomy with radical neck dissection and synchronous thyroidectomy | Procedure site - Direct (attribute) | True | Cervical lymph node group | Inferred relationship | Some | 2 | 
| Radical neck dissection | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Subtotal supraglottic laryngectomy with radical neck dissection | Procedure site - Direct (attribute) | True | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Block dissection of cervical lymph nodes | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Complete laryngectomy with radical neck dissection, synchronous thyroidectomy and synchronous tracheostomy | Procedure site - Direct (attribute) | True | Cervical lymph node group | Inferred relationship | Some | 2 | 
| Modified radical dissection of bilateral sides of neck | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Radical dissection of bilateral sides of neck (procedure) | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Block dissection of cervical lymph nodes | Procedure site - Direct (attribute) | True | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Modified radical dissection of bilateral sides of neck | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Radical neck dissection | Procedure site - Direct (attribute) | True | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Extended radical neck dissection of cervical lymph nodes | Procedure site - Direct (attribute) | True | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Radical dissection of bilateral sides of neck (procedure) | Procedure site - Direct (attribute) | False | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Radical lymph node dissection of neck region | Procedure site - Direct (attribute) | True | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Pharyngolaryngoesophagectomy and radical neck dissection (procedure) | Procedure site - Direct (attribute) | True | Cervical lymph node group | Inferred relationship | Some | 4 | 
| Structure of lymph node group of left half of neck (body structure) | Is a | True | Cervical lymph node group | Inferred relationship | Some |  | 
| Structure of lymph node group of right half of neck (body structure) | Is a | True | Cervical lymph node group | Inferred relationship | Some |  | 
| Commando radical glossectomy | Procedure site - Direct (attribute) | True | Cervical lymph node group | Inferred relationship | Some | 3 | 
| Hodgkin paragranuloma of lymph nodes of neck (disorder) | Finding site | True | Cervical lymph node group | Inferred relationship | Some | 1 | 
| Hodgkin paragranuloma of lymph nodes of head and neck (disorder) | Finding site | False | Cervical lymph node group | Inferred relationship | Some | 2 |