title: Image of the month: Hypertrophic gastric mucosa heterotopia in cervical esophagus.
mesh_terms: D002828:Choristoma / Q000175:diagnosis* / Q000209:etiology; D004935:Esophageal Diseases / Q000175:diagnosis* / Q000209:etiology; D005753:Gastric Mucosa; D006801:Humans; D008297:Male; D008875:Middle Aged; D015043:Zollinger-Ellison Syndrome / Q000150:complications*