Objective: To evaluate the treament effects by re - irradiation for 108 patients with recurrent nasopharyngealcarcinoma (NPC). Methods: 108 patients with recurrent NPC were re - irradiation from 1989 to 1996. Prognosis factors relatedto the treatment outcome were analyzed. Results: The l - year, 3 - year and 5 - year survival rates were 70.0%, 9. 7% and 0%for those with cravial base recurence, 83 .7%, 48. 6% and 33. 8% for those without cravial base recurrence (P = 0. 004);53. 6%, 23 .9% and 9 .4% for...