The following family members who are all currently healthy with no cancer were positive for the CDH1 c.172G>T mutation: the proband's mother (70‐years‐old), brother (47‐years‐old), maternal aunt (57‐years‐old), and two daughters (aged 29 and 39‐years‐old), and maternal grandfather (93‐years‐old) (Fig 1). The gene discussed is CDH1; the disease is cancer.