Oh my gosh! You have no idea how relieved I am to read this line of posts. Gleam and chasingtime, you described my experience with gas exactly. I am 5 mos post takedown. There are days when I have no pain and then days when I feel the sensation of being stabbed in the rear end. And I have also held it and felt the gas shift somewhere? Not sure what happens but it provides relief so I don't care. I just assume those days without pain are what it will eventually be like more often than not. This is certainly better than when UC was active!