5. Oh, I'm so happy you told me this. I don't know you, but I was still worried about you!
About that marker -- mine was a tiny stainless steel ball. Ask to make sure, but it will probably be removed during your elective surgery. I know mine is gone -- the mammogram nurse always has to mark the scars on the outside of my breast so the mammogram doc can 'read' where the surgery was done when she looks at the mammogram.
I wish I had taken a sedative for my (2) biopsies; my hair still stands on end when I think of them, and I'm not at all scared of needles nor do I usually freak out over pain. But those biopsies.....