Screening involves the detection in different ways of these polyps. By removing polyps we can markedly reduce the risks of bowel cancer. There are several ways to perform screening. A. Annual faecal occult blood test. This can help detect polyps or early cancers by detecting microscopic traces of blood in the stool.
Most early cancers produce no symptoms.
If however you develop the symptoms listed below it may not necessarily mean you have a colorectal cancer, but it should prompt a visit to your physician for a check up. Frequent gas pains. Blood in or on the stool. Diarrhoea or constipation of recent onset. A feeling that the bowel is not emptying completely.