AppendectomyAppendicitisAppendixLaparoscopyAppendiceal NeoplasmsUmbilicusIntestinal PerforationAbdominal AbscessPostoperative ComplicationsAbdominal PainSurgical Wound InfectionGeneral SurgeryRetrospective StudiesLength of StayNatural Orifice Endoscopic SurgeryMucoceleLaparotomyRupture, SpontaneousCecal DiseasesTreatment OutcomeHematoceleEnterobiasisSecond-Look SurgeryDiverticulitisSurgical StaplingAmbulatory Surgical ProceduresMesenteric LymphadenitisCholecystectomyUnnecessary ProceduresHernia, FemoralNaval MedicineOrthopedicsPain, PostoperativeAcute DiseaseSurgical InstrumentsPseudomyxoma PeritoneiAbscessSurgical Procedures, OperativeOvarian CystsCystadenoma, MucinousDiagnostic ErrorsHospital Costs