LOL. I asked this exact question when I went about a month ago! I didn't do anything with it. I just told my gyno that I had had a colectomy and ileostomy, and then I folded it up when I laid back and "assumed the position". My gyno never even seemed to notice it, and certainly wasn't bothered by it. Since you're just lying on your back, just flipping the tail up seemed to work.
Good luck at your appointment - I hate going, too. This is going to be brash, but I wish I had one crevice that didn't need docotrs up in it all the time. (Sorry for that, but it's true, and if I can't say it here, where can I?????)
If at first you do not succeed, then skydiving is surely not meant for you.
Jo - UC, total colectomy and ileostomy on August 24, 2008.