MEDIMAGE / SCIENCE PHOTO LIBRARY MEDIMAGE / SCIENCE PHOTO LIBRARY
Stomach cancer, gross specimen. The red stomach lining seen here is cancerous. The normally smooth gastric mucosa (stomach lining) with variable length folds has been replaced with abnormal nodular elevated growths arising from mucus-secreting epithelial cells. Above this lining an orange layer of fat and connective tissue can be seen. Regions of ulceration may occur in the cancerous tissue, resembling peptic ulcers. If the cancer is detected at a very early stage the prognosis is good with 70% of people surviving for at least 5 years. If diagnosed at the latest stage however, once it has spread, that figure falls to just 5%.
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