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Lymph Node
Levels
I
-
Submental + Submandibular nodes
(Oral cavity)
II -
Upper cervical nodes
(Oral cavity, Orophx, Larynx)
III -
Middle cervical nodes
(naso- and oropharynx, oral
cavity, hypopharynx, larynx)
IV -
Lower cervical nodes
(hypopharynx, subglottic larynx,
thyroid, esophagus)
V -
Posterior triangle nodes
(Nasopharynx)
VI -
Anterior compartment nodes
(thyroid, subglottic larynx,
oesophageal extension)