Reconstruction after radiation?

Hi everyone,
Back in 2022 I was diagnosed with high-grade DCIS in my right breast. I had two wide excisions but still ended up with positive margins. At that point, I could have had a third surgery or a mastectomy, but I decided instead to go with radiation and close monitoring. Since then, I’ve been having mammograms, ultrasounds, and MRIs every six months because of my dense breasts.

Fast forward three years, and an MRI has just picked up another suspicious non-mass. The biopsy confirmed high-grade DCIS again.

Now I’m faced with some big decisions. My options are:

Going flat

Mastectomy with implant and fat grafting (my surgeon says this could be done even with radiated tissue, but I’m not so sure)

DIEP flap reconstruction, which is a much bigger surgery

From what I’ve read, implants don’t tend to do well in radiated breast tissue, so my preference would be a bilateral mastectomy with DIEP flap. Unfortunately, my insurance doesn’t cover removing the healthy breast, and on top of that, I may not have enough tissue for both sides anyway (I’m naturally a D cup, but probably wouldn’t have enough donor tissue to make it back to not even an A cup).

The plan right now is:

• Right (radiated) side: DIEP flap
• Left (healthy) side: implant with fat grafting

I’m hoping this might get me just a bit bigger than an A cup, but I’m worried about whether the two different methods will look balanced.

Am I going overboard with all this? Has anyone here had to mix reconstruction methods like this? I’d really love to hear from anyone who’s been through something similar — did you feel okay with the results, and did it look reasonably even in the end?