This forum can be confusing when you first get started. I have no breast cancer experience to share or to enable me to walk with you. I will be available to answer and help you in any way that I can, though. By using @rosemarya, I will get a notification - but I have a feeling that you will find others who are familiar with what you are facing if you look at what I am sharing below. Just click, and you are there.

Breast Cancer Discussions - https://connect.mayoclinic.org/group/breast-cancer/
Cancer Education Center - https://connect.mayoclinic.org/page/cancer-education-center/