In order to discern NSCLC, the AUC (area under the curve) of serum HSP27 mRNA arrived at 0.884 with 0.0408 of standard error, while 95% CI was from 0.810 to 0.936, and then Z value was 9.401 (P < 0.001) (Fig. 5C). The gene discussed is HSPB1; the disease is non-small cell lung carcinoma.