NM_001127510.3:c.608A>G (p.Gln203Arg) is a missense variant in APC exon 7. It is absent from gnomAD population databases (PM2_Supporting per APC VCEP).1 As a missense variant in APC, a gene where primarily truncating variants cause disease, BP1 is met at supporting benign strength. The variant lies at codon 203, outside the excluded β-catenin binding domain region (codons 1021-1035).2 No variant-specific functional data, de novo observations, co-segregation data, or case-control data are available. SpliceAI predicts no splicing impact (max delta 0.01). The variant is classified as Uncertain Significance in ClinVar (7 submissions, criteria provided single submitter).3 With one pathogenic supporting criterion (PM2_Supporting) and one benign supporting criterion (BP1), the evidence is balanced, consistent with a classification of Uncertain Significance per the APC VCEP rules for combining criteria.4