GASTROLAB / SCIENCE PHOTO LIBRARY GASTROLAB / SCIENCE PHOTO LIBRARY
Rectal cancer. Endoscopic view of a cancerous growth inside the rectum of a patient. Rectal cancer is similar to colon cancer, and is often named colorectal cancer. Colon cancer is one of the most common cancers in North America and Western Europe. It is thought to be connected to a diet high in fat and low in fibre.
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