Identifying optimal candidates for local treatment of the primary tumor among patients with de novo metastatic nasopharyngeal carcinoma: A retrospective cohort study based on Epstein–Barr virus DNA level and tumor response to palliative chemotherapy

Nội dung Text: Identifying optimal candidates for local treatment of the primary tumor among patients with de novo metastatic nasopharyngeal carcinoma: A retrospective cohort study based on Epstein–Barr virus DNA level and tumor response to palliative chemotherapy