umls-concept:C1112209 | skos:definition | NCI: A disorder characterized by an infectious process involving the abdominal cavity.,MSH: Infection within the PERITONEAL CAVITY. A frequent cause is an ANASTOMOTIC LEAK following surgery.,NCI: Infection in the abdominal cavity resulting from injury, acute intestinal inflammation (e.g., acute appendicitis), intestinal perforation, or complication of abdominal surgery. | lld:umls |