close up hand doctor point report of egd is a diagnostic procedure, guided through the patient mouth and throat, then through the

abstract anatomy background colonoscopy color delicious design diagnostic digestive disease doctor egd endoscope endoscopic esophagus exam examination fiberscope food fresh gastric gastritis gastroscopy gourmet health healthy human inspection investigation meal medical medicine nurse ogd organ peptic procedure red science skin slice snack stomach system texture treatment ulcer upper white