-Association of the rs1982809 within BTLA with higher risk of NSCLC-Increased risk of NSCLC in females having the rs1982809G (AG + GG genotypes) allele and the rs9288953T allele (CT + TT genotypes)-Correlation of the rs1982809G and rs2705511C with the more advanced stages of NSCLC (stage II and III)-Significant overrepresentation of rs1982809G carriers in never-smokers. Here, BTLA is linked to non-small cell lung carcinoma.