Fig. 4From: Proposed prognostic subgroups and facilitated clinical decision-making for additional locoregional radiotherapy in de novo metastatic nasopharyngeal carcinoma: a retrospective study based on recursive partitioning analysisComparison of overall survival for palliative chemotherapy (PCT) alone versus PCT + locoregional intensity-modulated radiotherapy (LRRT) in the training cohort: low-risk group (A); intermediate-risk group (B); high-risk group (C). Comparison of overall survival for PCT alone versus PCT + LRRT in the training cohort: low-risk group (D); intermediate-risk group (E); high-risk group (F)Back to article page