Planned Neck Dissection Following Radiation Treatment for Head and Neck Malignancy

Table 1

Distribution of primary malignancy site.

	𝑛=28	(%)
Location of primary
Tonsil	13	(46)
Tongue base	10	(36)
Piriform sinus	2	(7)
Glottis	1	(4)
Unknown primary	2	(7)