Breast reconstruction using abdominal (tummy) skin/fat

It is known that a traditional TRAM flap (transverse rectus abdominis myocutaneous flap) reconstruction and DIEP flap (deep inferior perforator flap) reconstruction differ.  By definition, a TRAM flap divides the rectus (6-pack) muscle on one or both sides during the process of transferring the tissue up to the chest area for breast reconstruction while a DIEP flap involves moving little to no muscle to the chest area for breast reconstruction.