When it comes to medicine and human body, nothing is silly.
I am happy that you have recovered well but anything that keeps you away from a sound sleeps needs attention. This could very well be nothing but if the thought is nagging then get yourself checked once.
I am abdominal wall reconstruction surgeon and I keep seeing distorted abdomen after surgeries, both open and laparoscopy.
Next Steps
Physical examination
Health Tips
If you have fever or diarrhea then consult your primary care physician immediately