Unfortunately, radiation is the gift that keeps on giving. It may be radiation necrosis of some subcutaneous fat, but during the revision they can biopsy the tissue.
A DIEP flap stands for Deep Inferior Epigastric Perforator flap. It is an evolution in technique from a traditional free TRAM flap. The main difference is the goal of sparing the muscle from the abdomen to decrease the likelihood of bulging or hernia in the abdomen after the procedure.
DIEP...
The good thing about DIEP flap is the preservation of all the abdominal muscles and fascia when compared to a TRAM flap, which makes abdominal hernias less likely. Usually we do not need a fascial tightening during a regular DIEP surgery. But if you had had a rectus diastasis and it was repaired...