{{Rsnum
|rsid=20426
|Orientation=minus
|ReferenceAllele=G
|MissenseAllele=A
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Chromosome=1
|position=186680288
|Gene=PTGS2
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|Gene_s=PTGS2
}}{{PMID Auto
|PMID=19468846
|Title=Effect of COX2 -765G&gt;C and c.3618A&gt;G polymorphisms on the risk and survival of sporadic colorectal cancer
}}