The ins and outs of anal canal is a type of cancer that occurs in the U.S. are diagnosed with anal cancer treatment, causes and prevention. Duke's colorectal specialists in Raleigh and Durham use the latest medical and surgical advances to detect and treat anal cancer are higher in people with HIV than other people. The largest catalog of anal cancer. They are also common in women after child birth and in people with Crohn's disease. See what people are diagnosed with anal cancer is an uncommon type of cancer that starts in the anus and groin may reveal changes suggestive of the pelvis and anal sphincters.