Table 1. Characteristics of the 77 patients with locally recurrent NPC and their initial treatment.

Characteristics	No. (%)
Gender
Male	57 (70.4%)
Female	20 (26.0%)
Age at local recurrence
Median (range)	46 yr (30~77)
≤50 years	46 (59.7%)
>50 years	31 (40.3%)
Initial treatment
IMRT alone	8 (10.4%)
IMRT with chemotherapy	69 (89.6%)
Initial radiation technique (IMRT)	100%
Stage at initial diagnosis
I and II	28 (36.4%)
III and IVa/b	49 (63.6%)
Time to recurrence
Median (range)	25.5 mos (5.8–83.4)
Stage at recurrence
I and II	46 (59.7%)
III and IVa/b	31 (40.3%)
Recurrent T/N-classification
r-T0	8
r-T1	29 (33.8%)
r-T2	9 (11.7%)
r-T3	20 (24.7%)
r-T4	11 (14.3%)
r-N+	20 (26.0%)
Neck lymph node only	12 (15.7%)