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. Author manuscript; available in PMC: 2014 Jul 1.
Published in final edited form as: Pract Radiat Oncol. 2013 Jul 1;3(3):186193. doi: 10.1016/j.prro.2012.11.002

Table 1.

List of 26 ROIs/OARs to contour grouped by category.

Lymph Node Levels Ear Structures
Left Level 1     Left Cochlea
Left Level 2     Right Cochlea
Left Level 3     Left Middle Ear
Left Level 4     Right Middle Ear
Left Level 5     Left Vestibular Apparatus
Right Level 1     Right Vestibular Apparatus
Right Level 2 Salivary Glands
Right Level 3     Left Parotid Gland
Right Level 4     Right Parotid Gland
Right Level 5     Left Sublingual Gland
Retropharyngeal Level     Right Sublingual Gland
Velar/Palatal Structures     Left Submandibular Gland
Lower Lip     Right Submandibular Gland
Upper Lip
Soft Palate