The result of study 56 NPC patients with stage III, IV that treated by concurrent radiochemotherapy (linac 3D-CRT) at K hospital during from April 2007 to April 2009 as follows: The rate of tumoral complete response
partial response is 91.1 percent
8.9 percent, respectively. The rate of nodal complete response
partial response is 92.8 percent
7.2 percent, respectively. Overall rate of complete response
partial response is 89.3 percent
10.7 percent respectively. Rate of 3 year overall survival
4 year overall survival is 85.1 percent
72.2 percent respectively. The average survival time is 46.6 months. Rate of 3 year disease free survival
4 year disease free survival is 81.3 percent and 65.2 percent. Rate of recurrence found at nasopharynx
local lymph node is 7.1 percent
3.6 percent, respectively. Rate of long distance metastasis is 16.1 percent (oss metastasis is 8.9 percent
liver is 3.6 percent
lung metastasis is 1.8 percent
Brain metastase is 1.8 percent) among them.