Flat warts are most likely to show up on your face, thigh, or arms. They're typically smaller than common warts and have a flat top as opposed to. I have been having flat or oval stool for 3 years. I recently I just found out yesterday after my colonoscopy that I have rectal cancer. I started having bleeding 2 years ago after a very large bowel movement. I mentioned it to my family Comment from: sb, Female (Patient) Published: August I have stage 4 anal.