50.3 MB (4.2 MB compressed)
5138 x 3425 pixels
43.4 x 29.0 cm ⏐ 17.1 x 11.4 in (300dpi)
DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
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Prolapsing haemorrhoid (piles) around the anus of a 65 year old female patient. Piles are common, particularly during pregnancy due to extra pressure on the veins in the anus. Some people have a congenital weakness of these veins. Mild cases are controlled by drinking plenty of fluids and a high-fibre diet. Severe cases are treated by surgery.
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