The most striking results came from the analysis of 13 DNA repair genes (MCM2, MLH1, CLK2, FANCG, EXO1, PARP1, CETN2, NEIL3, ALKBH3, POLI, POLD3, ERCC1 and FANCF) whose altered expression profile was significantly related to the survival of GC patients. Here, ERCC1 is linked to gastric cancer.