| http://www.w3.org/ns/prov#value | - lower gastrointestinal series (lower GI) visualizes the esophagus esophagoscopy visualizes the stomach gastroscopy visualizes the esophagus AND the stomach EGD (esophagogastroduodenoscopy) Test in which abnormalities such as inflammation, cancer, bleeding, injury or infection to the esophagus, stomach or duodenum can be seen EGD (esophagogastroduodenoscopy) Why are patients asked to sign an opera
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