Diabetic patients can proceed with tummy tuck as long diabetic is under control. We can control the blood sugar with medication and diet prior to surgery.Stable weight prior to undergoing a tummy tuck with A BMI closer to 30 - 35 will make you ideal for the procedure.
It is always best to achieve a stable weight prior to undergoing a tummy tuck. In my mind, a stable weight is one that does not require efforts that are unsustainable. For instance, starving yourself and feeling deprived is always a recipe for failure.As for the medical issues, most plastic surgeons would defer to your medical doctor that takes care of you, as to whether you are a candidate for surgery.