

I assume that once they get too large that they can't blast them with a sonic shockwave..
They dont do that with gall stones, only kidney stones. They either remove the stone or the whole gall bladder. In this day and age they usually remove the whole bladder due to the possibility of gall stones reappearing. The procedure is very straight forward and you can live a comfortable life without a gall bladder, although sometimes your digestive system can find it harder to break down fats. They sometimes pass straight through.