My doctor had me do a stool sample test for a diagnosis for IBS. I have suffered form IBS-M all myself every since I was a baby since I have Asperger's syndrome and I hear it is very common in people with autism spectrum disorders (ASD). I am 31. I am still waiting for the results and I am worried that they will find something seriously wrong with me like I have an incurable condition such as Colon Cancer since the symptoms are very similar to IBS-M. I also suffer from health anxiety and cannot stop looking online at symptoms of both online and freaking out about it now. I cannot find the percentage of stool sample tests that come back positive with Colon Cancer. Please help put my mind at ease. I posted a question the other day and I think pain that I was feeling in my lower left side of my stomach was cause by stress and my health anxiety. Btw, the pain has more or less gone away now or has faded considerably. https://irritablebowelsyndrome.net/forums/mucus-with-pink-parts-in-it#reply-124147