But, the MDM2 TT genotype was associated witha decreased risk of developing NSCLC compared with thatof the MDM2 GG genotypes in Li G. et al.’s (2006) research.A total of 14 case-control comparisons for MDM2 (rs2279744)(9,137 lung cancer patients and 10,342 healthy controls) wereinvestigated in this meta-analysis. This evidence concerns the gene MDM2 and non-small cell lung carcinoma.