Your doctor needs to examine you and give a good explanation-otherwise a second opinion may be necessary.
If in fact you have a significant protrusion around your belly button there are many possible causes.
A hernia is a possibility but I would have expected that a hernia would have been discovered during your ecxam prior to the tummy tuck surgery.
Localized fat deposits are a possibility.
Most common in my experience is failure (suture break) of or incomplete muscle repair if in fact a muscle repair was done during your abdominoplasty.
Your doctor can address these concerns with you.


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