How can gallbladder attacks cause scar tissue to form on the gallbladder?

Sometimes. Multiple gallbladder attacks can sometimes cause inflammation and scarring around the gallbladder which can make the surgery more difficult. Often, there is a layer of fat in the abdomen which is called the Omentum. This serves as a band aid and will cover the GB when it is inflamed or irritated. You should see a Surgeon to get worked up and consider surgery.