GENERAL ABDOMEN General Abdomen Anatomy and PhysiologyPeritoneum: Anatomy and PhysiologyGI HormonesPeritoneumAbdominal Compartment Syndrome (ACS) – The Trauma ICUChylous AscitesOmental TorsionOmental TumorMesenteric Cysts and TumorsPeritoneal CarcinomatosisRetroperitoneumRetroperitoneal FibrosisRetroperitoneal TumorsManeuvers and Retroperitoneal Exposure