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rs63750586(I;I)

From SNPedia
common/normal (actually, a common error normally made by 23andMe; see explanation)
Is agenotype
ofrs63750586
GeneMSH2
Chromosome2
Position47,429,868
mentionedby
Magnitude0
ReputeGood
Geno Mag Summary
(-;-) 0 common in clinvar
(-;A) 6 Lynch syndrome, pathogenic mutation
(I;I) 0 common/normal (actually, a common error normally made by 23andMe; see explanation)

This genotype is often reported to 100% normal 23andMe users. However, it is wasn't incorrect, it would represent an extremely rare mutation.