Rectal bleeding is the presence of bright red blood on the tissue paper, or in the toilet. This may happen after a bowel movement. Gastrointestinal bleeding is bleeding from the upper part of the digestive system. You may notice the presence of black, tarry or maroon stools when you have a bowel movement. Upper GI bleeding may also be vomited.
Anal Cancer: How to Diagnose, Staging & Treatment - Dana-Farber Cancer Institute | Boston, MA
Anal cancer is a type of cancer that forms in tissues of the anus. The anus is the opening of the rectum to the outside of the body and at the end of the GI tract. Sometimes anal cancer causes no symptoms at all. But bleeding is often the first sign of the disease. The bleeding is usually minor.
Muscles anal sphincters that surround the anal canal relax to allow waste to leave your body. Anal cancer is an uncommon type of cancer that occurs in the anal canal. The anal canal is a short tube at the end of your rectum through which stool leaves your body. Most people with anal cancer are treated with a combination of chemotherapy and radiation.
Rectal bleeding is a common symptom. The ability to distinguish those patients having serious underlying pathology from those with self-limiting conditions is a continuing dilemma in general practice. To determine the factors affecting the predictive and diagnostic value of rectal bleeding for bowel cancer in primary care. Three hundred and nineteen consecutive patients over the age of 34 years consulting their GPs with rectal bleeding were included in the study. Investigation was by flexible sigmoidoscopy or a questionnaire and review of all patients took place after 18 months.