Figure 2.
Survival analysis of different CCR4 subgroups. (A) Survival curve of differential expression of CCR4 in patients with T1/T2 stage HNSC; (B) survival curve of differential expression of CCR4 in patients with T3/T4 stage HNSC; (C) survival curve of differential expression of CCR4 in patients under 60 years of age; (D) survival curve of differential expression of CCR4 in patients over 60 years of age; (E) survival curve of differential expression of CCR4 in patients with G1/G2 grade; (F) survival curve of differential expression of CCR4 in patients with G3/G4 grade. CCR4, CC chemokine receptor 4; HNSC, head and neck squamous cell carcinoma.