{{Rsnum
|rsid=11874392
|Gene=SMAD7
|Chromosome=18
|position=48926786
|Orientation=plus
|GMAF=0.4734
|Gene_s=SMAD7
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;T)
|geno3=(T;T)
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;T)
| geno3=(T;T)
| CEU | 25.4 | 46.0 | 28.6
| HCB | 16.2 | 45.9 | 37.8
| JPT | 16.7 | 21.4 | 61.9
| YRI | 19.4 | 56.5 | 24.2
| ASW | 0.0 | 0.0 | 0.0
| CHB | 16.2 | 45.9 | 37.8
| CHD | 0.0 | 0.0 | 0.0
| GIH | 0.0 | 0.0 | 0.0
| LWK | 0.0 | 0.0 | 0.0
| MEX | 0.0 | 0.0 | 0.0
| MKK | 0.0 | 0.0 | 0.0
| TSI | 0.0 | 0.0 | 0.0
| HapMapRevision=28
}}{{PMID Auto
|PMID=23560096
|Title=Genetic Variations in SMAD7 Are Associated with Colorectal Cancer Risk in the Colon Cancer Family Registry
|OA=1
}}

{{PMID Auto
|PMID=23275154
|Title=Genetic variations in the TGFbeta signaling pathway, smoking and risk of colorectal cancer in a Chinese population.
}}

{{on chip | FTDNA}}
{{on chip | HumanOmni1Quad}}