STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Intestinal cancer. Coloured scanning electron micrograph (SEM) of cancer cells in the intestine. These irregular cells form an uneven surface and their growth may constrict the intestine, obstructing the passage of food or faeces. Cancer of the intestine (usually the colon) is generally treated by removal of part or all of the affected area, provided the cancer is not too extensive. Magnification unknown.
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