{{Rsnum
|rsid = 28399447
|Orientation=minus
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Chromosome=19
|position=41352941
|Gene=CYP2A6
|Assembly=GRCh37
|GenomeBuild=37.1
|dbSNPBuild=131
}}{{omim
| id = 122720
| variant = 0003
| desc    = TEGAFUR, POOR METABOLISM OF
| rsnum   = 28399447
}}