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Is Stomach Cancer Genetic?

Partially
Heritability
~25%
Inheritance
multifactorial
Key genes
CDH1,CTNNA1,TP53

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Stomach cancer (gastric cancer) has a hereditary form called hereditary diffuse gastric cancer linked to CDH1 mutations.

How Genetic Is Stomach Cancer?

Genetics plays a meaningful role in Stomach Cancer, with heritability estimated at around 25%. However, environmental factors — including diet, lifestyle, and exposure — also significantly influence risk.

Key genes associated with Stomach Cancer: CDH1,CTNNA1,TP53. Variants in these genes have been identified through genome-wide association studies (GWAS) and clinical research as influencing susceptibility or severity.

Source: MedlinePlus Genetics

Does Family History Matter for Stomach Cancer?

Family history does matter. Having close relatives with Stomach Cancer can increase your personal risk, though it is not deterministic. Maintaining a healthy lifestyle and regular screening remain important regardless of family background.

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Related Genetic Conditions

Sources