Hidden stomach patches in your throat: could they be causing swallowing trouble?
Knowledge-focused
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This observational study is recruiting 721 adults who are already scheduled for a routine upper endoscopy. Researchers want to see if a small patch of stomach-like tissue (called heterotopic gastric mucosa or HGM) in the upper esophagus is linked to swallowing difficulties, indig…
Sponsor: Knappschaft Kliniken GmbH • Aim: Knowledge-focused
Last updated May 10, 2026 12:47 UTC