the doctor looks at the results of a study of gastric esophagogastroduodenoscopy for ulcers and cancerous tumors, background

abdomen abscess appendicitis background belly biopsy cancer colitis concept consultation disease diseases doctor duodenitis esophageal esophagogastroduodenoscopy female fgds gastric gastritis gastroenterologist gastroenterology gastroesophageal gastrointestinal girl health hernia hospital human illness indigestion inflammation inside medic medical medication medicinal medicine office oncology pain patient person personnel reflux sickness stomach surgery therapy treatment ulcer white woman