Table 2.

Incidence of paratracheal nodal metastasis by site of primary tumor in patients with hypopharyngeal cancer

Level	PS	PPW	PC	Total
Ipsilateral (n = 64)
cN+ (n = 47)	7/32	1/9	4/6	12/47
cN0 (n = 17)	2/13	0/3	0/1	2/17
Contralateral (n = 42)
cN+ (n = 37)	1/28	0/6	0/3	1/37
cN0 (n = 5)	0/4	0/1	0/0	0/5

cN+ Clinically positive lymph node, cN0 clinically negative lymph node