Is it normal to get a blister after getting tissue expanders filled?

Yes, cigarettes can impact surgery even if you smoke occasionally and a few weeks before surgery. Best to review with your surgeon.

This is an example where a photograph would be very helpful. I'm not quite sure what you mean in your question. We do try to avoid doing breast lifts on radiated breasts. Fat graft can be helpful to add some volume but not large volume changes, at least in one surgery. Please resubmit

It's not uncommon to feel cold after implant-based breast reconstruction.  The implants can act as a heat sink, and on the chest this can be particularly noticeable.  The anatomic "gummy bear" implants may cause this phenomenon more than the round silicone type.  Speak with your surgeon about wh...