

Cervical lymph nodes by
level
used for neck dissection (Appendix 2)
Level
Lymph nodes
Nodal group
Level Ia
Submental nodes
Submental-submandibular
Level Ib Submandibular nodes
Level II
High deep cervical chain nodes
Deep lateral cervical
Level III Middle deep cervical chain nodes
Level IV Low deep cervical chain nodes
Level V
Spinal accessory chain nodes
Transverse cervical chain nodes
Level VI
Pretracheal nodes
Prelaryngeal nodes
Paratracheal nodes
Anterior cervical
Parotid and retropharyngeal nodal groups are not incorporated.
Shah
et al.
Clin Bull
1981;11:25-33.
How do we define the CTV of elective neck?