Zero cancer in my family tree. Prior to Dx, I thought I had a slim chance of getting BC. Plenty of my relatives smoked or drank. Causes of death in their 90's was perhaps banging their heads. I knew they shouldn't have been climbing on the countertops to get cooking gear down. They'll figure this out eventually. My uneducated opinion is that HER2 is sporadic. If it is not, we just happen to be the 1st generation it has occurred in. Would love to know more. BB
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