Hi Mj,
I also had an MRI done last December when I was trying to decide what extra surgery to have. I would have had a double mastectomy if anything suspicious had showed up. It didn't so I opted only to go back to theatre and have a single mastectomy, following the lumpectomy that I had had only 3 weeks before, and then to give myself time to think about whether or not I would have the other one off later. Everything happens so quickly, as I'm sure you are finding. My small lump was much bigger than they thought, hence the reason why my lumpectomy became a mastectomy. I also had more nodes removed, but it was a relief to know that they were all clear. I have never regretted having the mastectomy, as it gave me peace of mind.
I had 4 rounds of chemo, and was very lucky as I didn't have a rough time with it, though, I'm really glad that it is over now and my hair is growing back. ( very curly ).
love Chris xx