SOVEREIGN, ISM / SCIENCE PHOTO LIBRARY SOVEREIGN, ISM / SCIENCE PHOTO LIBRARY
Rectal cancer. Coloured barium X-ray of the abdomen of a patient with rectal cancer. A malignant (cancerous) tumour is seen at lower centre narrowing the rectum. Symptoms of rectal cancer include abdominal pain and rectal bleeding. Treatment is with surgery to remove the affected area. Colorectal cancer is one of the most common cancers in the Western world. It is a disease of late and middle age. Risk factors include a diet high in animal fat and low in fibre and a sedentary lifestyle. The patient was given an enema of radio-opaque barium before the X-ray to highlight any anomalies.
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