24.2 MB (2.3 MB compressed)
3213 x 2631 pixels
27.2 x 22.4 cm ⏐ 10.7 x 8.8 in (300dpi)
CNRI / SCIENCE PHOTO LIBRARY CNRI / SCIENCE PHOTO LIBRARY
Colonic polyp. Coloured barium X-ray of a pedunculate (stalked) polyp (yellow/pink, upper centre) growing in a colon (large intestine). Part of the colon is seen, running from bottom left to top left then down to lower right. A polyp is a growth which protrudes from the mucous lining of an organ. Although usually harmless, polyps in the colon can eventually become malignant, and so are often removed surgically.
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