Small bowel pathology includes: Duodenal atresia Meckel diverticulum Volvulus Intussusception Small bowel infarction Lactose intolerance Celiac disease Tropical sprue Whipple disease Abetalipoproteinemia Neuroendocrine tumor Acute appendicitis Duodenal Atresia Duodenal atresia is due to a congenital failure of duodenum to canalize.…