ERCC1 and osteosarcoma: We found that ERCC1 rs3212986 (8092 C>A) gene polymorphism was not associated with osteosarcoma risk (A allele: OR = 0.79, 95% CI: 0.56–1.12, P = 0.18; AA genotype: OR = 0.68, 95% CI: 0.30–1.57, P = 0.37; CC genotype: OR = 1.05, 95% CI: 0.78–1.40, P = 0.76).