You may not need a tummy tuck, but may need the same incisions
Dear Mr. Glass,
First let's assume that you have true diastasis and not a hernia (eg: from some prior surgery). The treatment is completely different with a hernia.
The second question to be asked is if you have diastasis from prior weight gain, and do you have excess skin? If you have excess skin, with diastasis, then tummy tuck would be the logical choice.
From your question, it sounds like you do not have excess skin. In this case, you do not need a tummy tuck,...