From: Selective use of postoperative neck radiotherapy in oral cavity and oropharynx cancer: a prospective clinical study
Cervical dissection (levels)
Ipsilateral
Contralateral
Total
RND (I-V)
7
-
MRND (I-V)
33
5
38
SOHND (I-III)
30
9
39
LND (II-IV)
1
6
75
15
90