Yes, it sounds like you are still getting rid of trapped air. And there can be some unpleasant oders for a bit too. It's going to take time for your body to recover from this surgery, but please know you will slowly heal and gradually regain a more normal self. This includes the fact that your brain will need a few months to finally feel normal as anesthesia can take a pretty long time to finally stop affecting your brain and you get your barrings back again. One of the reasons they don't like to do surgery on elderly patients is how the anesthesia may affect their brain.

So PLEASE allow yourself time to heal and have patience with how disabled you happen to be right now. As horrible is this wound from surgery looks now, it will all heal and not look so bad. You are normally a pretty physically active person and had worked out etc., too. So you are going to have to be patient with where you are right now with all this and allow yourself to actually heal where you can get back to being more active.