Table 1. Patient characteristics.

Characteristics		No. of cases	%
Age (years)
Range	24–71
Median	43
Mean	45
Sex
Male		66	73.3
Female		24	26.7
Karnofsky scale
⩾80%		82	91.1
<80%		8	8.9
Pathology (WHO classification)
Type I		4	4.4
Type II		70	77.8
Type III		16	17.8
T-stage (1997 AJCC)
T1		6	6.7
T2a		2	2.2
T2b		19	21.1
T3		12	13.3
T4		51	56.7
N-stage (1997 AJCC)
N2		56	62.2
N3		34	37.8
Concurrent chemotherapy
Yes		11	12.2
No		79	87.8
Adjuvant chemotherapy
Yes		11	12.2
No		79	87.8