TABLE 1.

Patient and Tumor Characteristics

Tumor localization	n	%
Oral cavity	2	4.1
Oropharynx	19	38.8
Hypopharynx	12	24.5
Larynx	7	14.3
Multilevel	9	18.4
T stage
T1	1	2.0
T2	4	8.2
T3	14	28.6
T4	30	61.2
N stage
N0	4	8.2
N1	1	2.0
N2a	0	0.0
N2b	9	18.4
N2c	35	71.4
Human papillomavirus
Positive	9	18.4
Negative	40	81.6