Hi Cheryl,
Inkpetal has given you some great advice especially about trying to just take this one step at a time. Often the pathology results from surgery are needed before the doctors can make further treatment recommendations for you. With a family history that may also impact on what is best for you.
I had a left mastectomy almost 3 years ago. It never worried me about losing the breast as I just wanted the cancer gone. I am a C cup and find an external prosthesis works well for me but I also know that a reconstruction is a possibility if I ever feel I would prefer that.
Ask lots of questions, if you don't understand something ask again! I found it very helpful to have someone with me at appointments as it is very hard to take it all in. I also had written info from my doctors so that I could go back over things if I was unsure about something later.
This site is wonderful for advice and also just to chat with people who understand because they have been where you are right now too! Wishing you all the best with whatever treatment you may need. Take care. Deanne xxx