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.
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