TOPICS: Meckel’s diverticulum, congenital umbilical hernia, ventral wall defects, gastroschisis, omphalocele, malrotation, midgut volvulus, duodenal obstruction, vitelline duct, omphalomesenteric duct, true diverticulum, Meckel scan, rule of 2’s Down syndrome, midgut malrotation, midgut malrotation, Ladd bands, colon, cecum, duodenum, superior mesenteric artery (SMA), peritonitis