From: Open cervical lymph node biopsy for head and neck cancers: any benefit?
Cancer type
Frequency
Percentage
Nasopharyngeal
46
51.7
Oropharyngeal
6
6.7
Hypopharyngeal
2
2.2
Sino-nasal
24
27
Laryngeal
7
7.9
Parotid
4
4.5
Total
89
100