AppendicitisPeritonitisAppendectomyAppendixIntestinal PerforationAbdomen, AcuteAbdominal AbscessPeritonitis, TuberculousAbdominal PainPeritoneal Dialysis, Continuous AmbulatoryAcute DiseaseFecal ImpactionPeritoneal DialysisCecal DiseasesRupture, SpontaneousGangreneLaparoscopyRetrospective StudiesDiverticulitisDiagnostic ErrorsPeritoneumAppendiceal NeoplasmsLaparotomyMesenteric LymphadenitisCatheters, IndwellingRadiography, AbdominalAscitic FluidHernia, FemoralAbscessBacterial InfectionsTorsion AbnormalityTomography, X-Ray ComputedDialysis SolutionsDiverticulitis, ColonicIntestinal ObstructionAnti-Bacterial AgentsCecal NeoplasmsLeukocyte CountAscitesSerositisCecumTreatment OutcomeUmbilicusProspective StudiesSurgical Wound InfectionPeritoneal LavageChylous AscitesKidney Failure, ChronicPeritoneal DiseasesLithiasisIleal Diseases