GASTROLAB / SCIENCE PHOTO LIBRARY GASTROLAB / SCIENCE PHOTO LIBRARY
Colon cancer. Endoscopic view of an adenocarcinoma (centre) and tubulovillous adenoma in the transverse colon of the large intestine. An adenocarcinoma is a cancer which arises from glandular tissue in an organ's epithelium (lining). It is the most common form of intestinal cancer. Tubulovillous adenomas are a type of polyp that may become malignant (cancerous).
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