AppendicitisAppendectomyAppendixAbdomen, AcuteIntestinal PerforationAbdominal AbscessAbdominal PainFecal ImpactionAcute DiseaseCecal DiseasesRupture, SpontaneousGangreneLaparoscopyRetrospective StudiesAppendiceal NeoplasmsPostoperative ComplicationsDiagnostic ErrorsMesenteric LymphadenitisDiverticulitisTreatment OutcomeHernia, FemoralTomography, X-Ray ComputedRadiography, AbdominalLaparotomyTorsion AbnormalityProspective StudiesBariatric SurgeryCecal NeoplasmsAbscessLength of StayGeneral SurgeryUnnecessary ProceduresUmbilicusLithiasisSensitivity and SpecificityMeckel Diverticulum