BTNL2 and lung adenocarcinoma: A meta-analysis of publications from China, Taiwan, Japan and South Korea confirmed described earlier associations of TP63, TERT, FOXP4, HLA class II and VTI1A with lung adenocarcinoma in never-smoking Asian women, and detected two new associations: with BPTF for overall lung adenocarcinoma risk, and for BTNL2 in cases with EGFR mutation.