AppendectomyAppendicitisAppendixLaparoscopyAppendiceal NeoplasmsUmbilicusIntestinal PerforationAbdominal AbscessPostoperative ComplicationsAbdominal PainSurgical Wound InfectionGeneral SurgeryRetrospective StudiesLength of StayNatural Orifice Endoscopic SurgeryMucoceleLaparotomyRupture, SpontaneousTreatment OutcomeCecal DiseasesHematoceleEnterobiasisSecond-Look SurgeryDiverticulitisSurgical StaplingAmbulatory Surgical ProceduresMesenteric LymphadenitisCholecystectomyUnnecessary ProceduresHernia, FemoralNaval MedicineOrthopedicsAcute DiseasePain, PostoperativeSurgical InstrumentsAbscessPseudomyxoma PeritoneiSurgical Procedures, OperativeOvarian CystsCystadenoma, MucinousDiagnostic ErrorsHospital Costs