Ectopic gastric mucosa in the cervical oesophagus, a possible cause of dysphagia.
D003679:Deglutition; D003680:Deglutition Disorders / Q000209:etiology*; D004947:Esophagus / Q000002:abnormalities*; D005753:Gastric Mucosa; D006801:Humans; D009333:Neck
DEGLUTITION DISORDERS/etiology and pathogenesis; ESOPHAGUS/abnormalities