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We examined whether the single-nucleotide polymorphism (SNP) rs13181 in the gene encoding excision repair cross complementation group 2 (ERCC2) is associated with the risk and prognosis of nasopharyngeal carcinoma (NPC). SNPs at rs13181 were genotyped in 439 NPC patients (NPC group) and 431 age- and gender-matched cancer-free controls (control group) from a region of China where NPC is endemic, and frequencies of GG, GT and TT genotypes were compared between the two groups in the case-control study. In a subset of 365 NPC cases,