PneumoniaPneumonia, AspirationPneumonia, BacterialRespiratory AspirationPneumonia, ViralPneumonia, PneumococcalSuctionCryptogenic Organizing PneumoniaPneumonia, PneumocystisBiopsy, Fine-NeedlePneumonia, StaphylococcalBiopsy, NeedleAspirations (Psychology)Pneumonia, Ventilator-AssociatedMeconium Aspiration SyndromeCommunity-Acquired InfectionsPneumonia, MycoplasmaPneumonia, LipidEndoscopic Ultrasound-Guided Fine Needle AspirationBronchoscopyLung Diseases, InterstitialLungDeglutition DisordersThyroid NoduleDeglutitionEndosonographyRetrospective StudiesAnti-Bacterial AgentsIdiopathic Interstitial PneumoniasCytodiagnosisVacuum CurettageForeign BodiesInhalationStreptococcus pneumoniaeBronchoalveolar Lavage FluidRadiography, ThoracicProspective StudiesMurine pneumonia virusSensitivity and SpecificityPneumocystis jiroveciiThrombectomyTreatment OutcomePneumocystisLegionnaires' DiseaseCross InfectionBronchoalveolar LavageRespiration, ArtificialThyroid NeoplasmsMycoplasma pneumoniaeTomography, X-Ray ComputedFatal OutcomePulmonary EosinophiliaTrimethoprim-Sulfamethoxazole CombinationDrainageMediastinumHospitalizationBronchopneumoniaVentilators, MechanicalIntensive Care UnitsLung AbscessPneumonia, Progressive Interstitial, of SheepLymphatic DiseasesPneumothoraxLung DiseasesPredictive Value of TestsRisk FactorsTime FactorsCystsIntubation, IntratrachealTuberculosis, Lymph NodeUltrasonography, InterventionalSeverity of Illness IndexEnteral NutritionThyroid GlandBiopsyCoughInfant, NewbornPneumonia of Swine, MycoplasmalIntubation, GastrointestinalPseudomonas InfectionsPneumococcal VaccinesAcute DiseaseAnti-Infective AgentsSputumCricoid CartilagePneumocystis cariniiEmpyemaFalse Negative ReactionsTherapeutic IrrigationIncidenceRespiratory Tract InfectionsImmunocompromised HostLegionella pneumophilaAbscessNeedlesPulmonary FibrosisLarynxBronchoscopesMediastinal DiseasesFluoroscopy