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Association between MDM2 SNP309 and survival of patients with gastric carcinoma according to TNM classification. (A) Kaplan-Meier survival curves of 32 patients with TNM I stage according to MDM2 SNP309 genotypes (P = 0.50). (B) Kaplan-Meier survival curves of 101 patients with TNM II-IV stages according to MDM2 SNP309 genotypes (P < 0.01).
