Gastrointestinal canal Endoscopic biopsies edit Mostly: Esophagus Gastroesophageal junction Stomach Gastric polyp Duodenum Colon Colorectal polyp Contents 1 By region 1.1 Esophagus 1.2 Peritoneal region 1.2.1 Stomach 1.2.2 Intestine 1.2.3 Gallbladder By region Abdominal wall Esophagus Esophagus Gastroesophageal junction Peritoneal region Autopsy#Peritoneal Stomach Stomach Gastric polyp Stomach biopsy for Helicobacter pylori Intestine Presentations: Intestine with tumor Intestine in Crohn's disease Fistula tract Subregions: Appendix Small intestine Duodenum Colon, here including rectum Colorectal polyp Gallbladder Gallbladder
