Could a patch of stomach cells in your throat cause swallowing trouble?
Knowledge-focused
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This observational study is investigating whether heterotopic gastric mucosa (HGM), a patch of stomach-like tissue found in the upper esophagus, is associated with swallowing difficulties (dysphagia) and indigestion (dyspepsia). Researchers will compare symptoms and quality of li…
Sponsor: Knappschaft Kliniken GmbH • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:08 UTC