DAVID M. MARTIN, MD / SCIENCE PHOTO LIBRARY DAVID M. MARTIN, MD / SCIENCE PHOTO LIBRARY
Swallowed ring. Endoscope view of a swallowed wedding ring in the oesophagus of a 102-year-old woman. Foreign bodies in the oesophagus may cause vomiting and pain. An endoscope equipped with a claw or hook can be used to remove the foreign body.
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