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Additional findings_Adult v1.37 CDH1 Zornitza Stark Marked gene: CDH1 as ready
Additional findings_Adult v1.37 CDH1 Zornitza Stark Gene: cdh1 has been classified as Green List (High Evidence).
Additional findings_Adult v1.37 CDH1 Zornitza Stark Classified gene: CDH1 as Green List (high evidence)
Additional findings_Adult v1.37 CDH1 Zornitza Stark Gene: cdh1 has been classified as Green List (High Evidence).
Additional findings_Adult v1.36 CDH1 Zornitza Stark gene: CDH1 was added
gene: CDH1 was added to Additional findings_Adult. Sources: Expert list
Mode of inheritance for gene: CDH1 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Phenotypes for gene: CDH1 were set to Diffuse gastric cancer, MONDO:0957519; CDH1-related diffuse gastric and lobular breast cancer syndrome, MONDO:0100488
Review for gene: CDH1 was set to GREEN
Added comment: Individuals with pathogenic CDH1 mutations are currently advised to undergo risk-reducing total gastrectomy due to their high lifetime risk of developing gastric cancer and the limited efficacy of surveillance modalities. Most guidelines recommend gastrectomy after age 18 and before age 30-40.

Risk-reducing mastectomy could be considered, but is not uniformly recommended, as it may be a reasonable option for some women who carry CDH1 mutations.
Sources: Expert list