“…Internal hernias are defined as herniation of a viscus, usually the small bowel, through a normal or abnormal orifice within the peritoneal cavity. 2,3 The orifice may be normal (Winslow's foramen) or paranormal (e.g. hernias through the peritoneal fossa may be paraduodenal, ileocecal, inter- or meso-sigmoidal, paracolic, supravesical, or of the large ligament of the uterus).…”