From: Failure patterns and survival in patients with nasopharyngeal carcinoma treated with intensity modulated radiation in Northwest China: A pilot study
No. of patients
Site
n
%
Relapse
10
   local relapse
6
4.3
   Regional relapse
4
2.9
Metastasis
26
   Bone
12
8.9
   Liver
2
1.5
   Lung
4.4
   Other location
   Multiple location