capsule endoscopy. egd, gastroenterology.

abdomen anatomy belly body cancer capsule carcinoma care chronic cross digestion digestive disease duodenum egd endoscope endoscopy erosion esophageal esophagus gastrectomy gastric gastroenterology gastrointestinal health helicobacter human inflammation invasive malignant medical medicine mucosa oncology organ pathology peptic removal resection science section stages stomach surgery surgical system ulcer