OGG1 and colorectal carcinoma: According to the purpose of the present study and the relevance scoring related to CRC, three DNA repair genes including Excision Repair Cross‐Complementation Group 1 (ERCC1), 8‐Oxoguanine DNA Glycosylase (OGG1), and mutL homolog 3 (MLH3) were chosen as the candidate target genes.