Fig. 4From: Association between cancer stem cell gene expression signatures and prognosis in head and neck squamous cell carcinomaAssociation of CSC gene expression signature with radiotherapy in the two independent HNSCC cohorts (TCGA and MDACC). a-b The 5-year OS rates for the CSC-HR and CSC-LR subgroups in patients with HNSCC who did and did not receive radiotherapy (n = 348 and 196, respectively) and (c, d) those for patients with HNSCC who did and did not receive radiotherapy in the CSC-HR (n = 293) and CSC-LR (n = 251) subgroups were depicted using Kaplan–Meier plots. Patients in the CSC-LR subgroup benefited significantly from radiotherapy (p < 0.0001 and < 0.0001, respectively). *p < 0.05Back to article page