IleusIntestinal ObstructionIntestinal Pseudo-ObstructionMeconiumPostoperative ComplicationsIleal DiseasesGastrointestinal MotilityTreatment OutcomeGallstonesBariatric SurgeryDigestive System Surgical ProceduresLaparotomyJejunal DiseasesGeneral SurgeryRetrospective StudiesLaparoscopyGastrointestinal TransitThoracic SurgeryCardiac Surgical ProceduresProspective StudiesRadiography, AbdominalTime FactorsPostoperative CareSurgical Procedures, Operative