@aspapla, I'd like to add my welcome along with @drummergirl. I moved your question about clinical management of ATM gene for breast cancer and masctectomy or not to this existing discussion:
- ATM Gene Mutation and Care https://connect.mayoclinic.org/discussion/atm-gene-mutation-and-care/

I did this so you can read the previous posts and connect easily with others @bmerxbauer @marciski @beku @zinath123 @lnduh66 @anelia and more who faced similar decision making.