1098PThe prognostic value of early tumor response in metastatic nasopharyngeal carcinoma patients treated with first-line chemotherapy. (23rd October 2018) - Xia, W-X; Guoying, L; Lv, X; Lv, S-H; Huang, X-J; Qiu, W-Z; Liang, H; Li, W-Z; Liu, K-Y; Yu, Y-H; Xiang, Y-Q; Guo, X