756-757 / 2351
Distribution of lymph node metastasis in
Ipsilateral nodes
Contralateral nodes
nasopharyngeal tumors (clinical examination)
10%
15%
5%
9%
32%
56%
71%
36%
26%
32%
0%
15%
22%
From Gregoire (2000) based on Lindberg and Sham