CAMAL / ISM / SCIENCE PHOTO LIBRARY CAMAL / ISM / SCIENCE PHOTO LIBRARY
Oesophageal diverticulum. Endoscopic view of a diverticulum (sac-like outpouching, lower right) in the wall of the oesophagus. The true lumen (passageway) of the oesophagus is at upper left. Diverticula such as this generally cause no symptoms and rarely have to be treated.
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