Rose, I've been following this post and metoo did respond but somehow the message seems to have been deleted. I remember reading it several days ago but it's not longer here. I'm sure metoo will see your question and post again but the response post did say that the test came back normal (i.e., no markers were left).Metoo, I also had a sitz marker test come back normal and was very upset by this. I was miserable the whole time doing the test since I had to go off Miralax, fiber or any laxatives. I did have two small bowel movements but I was amazed all the markers came out with those. And I found it very hard for the doctor to tell me the test showed my transit time was fine (and thus I felt it was implied there was nothing wrong with me except in my head). My doctor kept working with me though. And about a month ago, I started taking Zelmac (or Zelnorm) and feel much much better!! So there is hope out there!Tara