Circulating Heat Shock Protein 70 Is a Novel Biomarker for Early Diagnosis of Lung Cancer

Figure 1

The concentrations and ROC curve analyses of HSP70, CEA, and CA 19-9 in all lung cancer patients. (a) Concentrations; (b) ROC curves. The black horizontal lines are median values. Controls: healthy volunteers in routine physical examination. values were determined by the chi-square test (, ).

(a)

(b)