Research Article

Serum Clusterin as a Tumor Marker and Prognostic Factor for Patients with Esophageal Cancer

Figure 4

Factors determining overall survival. (a) Survival curves of pathological stage I, stage II, and stage III tumors (, ). (b) Survival curves for male and female patients (). (c) Survival curves for groups of patients with clusterin concentrations of <500 μg/mL and >500 μg/mL ().
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(b)
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