Immunotherapy combined with chemotherapy without locoregional radiotherapy in de novo metastatic nasopharyngeal carcinoma: two case reports and a literature review
BackgroundThere is no consensus regarding the optimal regimen for de novo metastatic nasopharyngeal carcinoma (dmNPC). Locoregional intensity modulated radiotherapy (LRRT) following palliative chemotherapy (PCT) has been shown to prolong the overall su…