I visited oral surgeon and he said mucocele and needs to do some 20 minutes long operation to remove it. He says that it won't go away without operation and comes back again again.

I have not taken any medication so far except using Listerine two times a day. From the last Friday, it has not become large with bitter liquid inside but there is still very small solid object remaining. I am not interested doing that operation mainly because my insurance does not cover all the treatment. But I am in doubt that it goes away by itself.

suggestion is appreciated. thanks