Sensitive

Hereditary cancer-predisposing syndrome

MSH2 · rs1203462814

Stands on its own. Nothing else here links to this position yet — but the page above is the point: what the research found, what each genotype means, and where it came from, in language you can read. Links to conditions, drugs and the senses appear automatically if we write them.

Strength of the evidence

There is no record yet to score this position by (a ClinVar disease classification or a genome-wide significant study). That is not the same as weak evidence.

How this is scored

4: ClinVar disease-causing, reviewed by an expert panel or a guideline (3–4 stars). 3: ClinVar, several labs agreeing (2 stars), or a genetic study at p ≤ 10⁻⁵⁰. 2: ClinVar from one lab (1 star), or p ≤ 10⁻²⁰. 1: ClinVar submitted without criteria (0 stars), or genome-wide significance (p ≤ 5×10⁻⁸). The higher of the two counts. It says how solid the evidence is, not whether it matters for a particular person.

What ClinVar records

Classification Uncertain significance for Hereditary nonpolyposis colorectal neoplasms, Lynch syndrome, Hereditary cancer-predisposing syndrome; criteria provided, multiple submitters, no conflicts (2 of 4 stars, 8 submitters), last evaluated 2025-10-07. ClinVar record 579393 NM_000251.3(MSH2):c.2039G>A (p.Arg680Gln)

Classification Pathogenic/Likely pathogenic for Hereditary cancer-predisposing syndrome, Hereditary nonpolyposis colorectal neoplasms, Lynch syndrome 1; criteria provided, multiple submitters, no conflicts (2 of 4 stars, 3 submitters), last evaluated 2024-04-10. ClinVar record 483690 NM_000251.3(MSH2):c.2039G>C (p.Arg680Pro)

Classification Uncertain significance for Hereditary nonpolyposis colorectal neoplasms, Breast and/or ovarian cancer; criteria provided, multiple submitters, no conflicts (2 of 4 stars, 2 submitters), last evaluated 2022-05-11. ClinVar record 1021808 NM_000251.3(MSH2):c.2039G>T (p.Arg680Leu)

Change history MyGeneLog™ keeps a copy of every weekly release from 2026-10-19 and compares them. This position's classification has not changed since.

What this is ClinVar's aggregate record for this position (as of its 2026-11-01 release), not a result about you. A classification describes the variant against the condition named, as laboratories submitted it. Whether a person carries this variant, and what that would mean for them, is a question for a clinical test and a genetic counsellor.

How common each version is

AG

World gnomAD

G 100.0%

World TOPMed

G 100.0%

The share of all copies of this position that are each version. Source: the population studies published in dbSNP (US NCBI); each row names its study. No Korean figure for this position yet.

What each result means

C/C Two copies of the version ClinVar lists as disease-causing or likely disease-causing for Hereditary cancer-predisposing syndrome. A result like this should be confirmed by a medical genetic test and talked through with a doctor; consumer DNA files can misread rare variants. (ClinVar VCV000483690, criteria provided, multiple submitters, no conflicts)

C/G One copy of the version ClinVar lists as disease-causing or likely disease-causing for Hereditary cancer-predisposing syndrome. Some conditions need only one copy; for others, one copy makes a person a carrier who is usually healthy but can pass it on. A genetic counsellor can say which applies. (ClinVar VCV000483690, criteria provided, multiple submitters, no conflicts)

G/G No copy of the version ClinVar lists as disease-causing or likely disease-causing for Hereditary cancer-predisposing syndrome. This is the usual result. (ClinVar VCV000483690, criteria provided, multiple submitters, no conflicts)

Source: ClinVar VCV000483690, criteria provided, multiple submitters, no conflicts

Quoting this page

Licensed CC BY-NC 4.0: free to read, share and adapt for non-commercial use, naming MyGeneLog™ and linking the exact page. Commercial use, including training or serving a commercial AI system, needs a licence — https://www.mygenelog.com/license

Hereditary cancer-predisposing syndrome (rs1203462814). MyGeneLog™. https://www.mygenelog.com/variants/rs1203462814

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