Early detection of anal cancer is common because these tumors develop in a part of the digestive tract that doctors are able to see and reach. Symptoms of early-stage anal cancer often prompt patients to visit their doctor, though not everyone experiences symptoms. More than half of patients with anal cancer experience rectal bleeding, which is often the first indication of the disease. Symptoms of anal tumors may be similar to benign conditions, such as hemorrhoids, fissures, fistulas and anal warts.
Anal cancer occurs in the anus, which is at the end of the gastrointestinal tract. It is different from and less common than colorectal cancer, which is cancer of the colon or rectum. Anal cancer is rare, but the number of new cases is rising. Of these, 5, will affect females, and 2, will affect males. The ACS expect around 1, people to die from anal cancer, including females and males. Anal cancer is rare before 35 years of age. The average age of diagnosis is when a person is in their early 60s.
The rectum is the last several inches of the large intestine. Rectal cancer starts in the lining of the rectum rectal mucosa. Rectal cancer is cancer that begins in the rectum. It starts at the end of the final segment of your colon and ends when it reaches the short, narrow passage leading to the anus. Cancer inside the rectum rectal cancer and cancer inside the colon colon cancer are often referred to together as "colorectal cancer.
When cancer cells form into benign or malignant tumors in the tissues of the anus, anal cancer has occurred. The anus is the opening at the bottom of your intestines where stool exits the body. Anal cancer is rare, but when it occurs, it may spread to other parts of the body. Some noncancerous forms of anal cancer can also turn cancerous over time.