Fig. 2From: Addition of chemoradiotherapy to palliative chemotherapy in de novo metastatic nasopharyngeal carcinoma: a real-world studyOS for patients receiving different combinations of systemic and locoregional treatments after propensity score matching. A Different cycles of PCT. B Different regimens of concurrent chemotherapy. C Single-agent platinum versus radiotherapy alone after 4–6 cycles of PCT. OS overall survival, PCT palliative chemotherapy, CCRT concurrent chemoradiotherapy, RT radiotherapyBack to article page