Keep putting up any queries/vents on here, @sparrow_ ...... you could even 'message' those in the previous 2 threads with Phyllodes .....with a bit of luck, they'll get back to you.
The thin margins is a bit of a worry .... sometimes it is due to the position of the tumours - if close to the chest wall or immediately under the skin ....
The whole diagnosis of BC is a Wrecking Ball & I find that the longterm emotional toll is way more severe than the actual diagnosis, surgery & active treatment. It just keeps mucking with your brain! Ring the BCNA Help Line if you'd like to get another perspective .... also chat with your GP and/or Breast Care Nurse if you are unhappy with things 'as they stand'. (Otherwise, it WILL muck with your brain.)
Take care & all the best for your ongoing treatment xxx