{{Rsnum
|rsid=4849887
|Chromosome=2
|position=120487546
|Orientation=plus
|GMAF=0.1639
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 78.8 | 20.4 | 0.9
| HCB | 66.4 | 30.7 | 2.9
| JPT | 75.2 | 23.0 | 1.8
| YRI | 41.5 | 51.0 | 7.5
| ASW | 57.9 | 35.1 | 7.0
| CHB | 66.4 | 30.7 | 2.9
| CHD | 67.0 | 27.5 | 5.5
| GIH | 57.4 | 35.6 | 6.9
| LWK | 49.1 | 46.4 | 4.5
| MEX | 77.6 | 20.7 | 1.7
| MKK | 64.7 | 32.7 | 2.6
| TSI | 78.4 | 20.6 | 1.0
| HapMapRevision=28
}}[[breast size]]
{{PMID Auto
|PMID=22747683
|Title=Genetic variants associated with breast size also influence breast cancer risk
|OA=1
}}

{{PMID Auto GWAS
  |PMID=23535729
  |Trait=Breast cancer
  |Title=Large-scale genotyping identifies 41 new loci associated with breast cancer risk.
  |RiskAllele=C
  |Pval=4E-11
  |OR=1.10
  |ORtxt=[1.06-1.14]
  |OA=1
}}

{{PMID Auto
|PMID=25007960
|Title=Association study of susceptibility loci with specific breast cancer subtypes in Chinese women
}}
{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | Illumina Human 1M}}