Is there a surgeon in Houston specializing in abdominal component separation surgeries for hernia repair?

You are definitely a good candidate for a tummy tuck with muscle tightening.  Many of the stretch marks will be removed with the surgery but some will,remain.  If you go on a consult, the surgeon can draw out exactly which stretch marks would be removed.

Be careful not to jump to conclusions.  There are a couple of possible explanations for the swelling that you see in your abdomen.  The best advice would be to return to your plastic surgeon and let him/her decide what the origin of the problem is. If the bulge is from a fluid...

You do appear to have necrosis of the belly button. This is almost certainly because not enough vasculature was left intact that was supplying your belly button with oxygen. The chances of you having problems with this elsewhere are very very low. Luckily, the tissue will likely die and a scar...