How do you counsel a woman regarding her previous hormonal contraception and the risks with her newly diagnosed invasive breast cancer?

I believe the risk of breast cancer from the use of hormonal contraception is very small, in the absence of other contributing risk factors such as family history.

A recent 2017 NEJM article (Morch et al) assessed the associations in a large cohort of 1.8 million women in Denmark followed for > 10 ye...