KIR haplotypes A and B showed no significant differences in the NSCLC and healthy control groups with frequencies of 0.459 vs. 0.525 for haplotype A and 0.541 vs. 0.475 for haplotype B, respectively (P>0.05) (Supplementary Table 1). The gene discussed is KIR3DL1; the disease is non-small cell lung carcinoma.