mucous stomach with erosive gastritis. infographics. on background

abdomen anatomy biology cancer carcinoma chronic digestion digestive dilatation disease dna duodenum education egd endometrial endoscope endoscopy erosion esophagus gastrectomy gastric gastritis gastrointestinal gastroscopy helicobacter histology human inflammation intestine medical medicine mesothelium mucosa mucous oncology organ pain physiology pits polyps pyloric reticulum science sphincter stomach structure system tissue tract ulcer