Lung Diseases, InterstitialLung DiseasesLungLung Diseases, ObstructivePulmonary FibrosisLung NeoplasmsCystitis, InterstitialLung TransplantationInterstitial Cells of CajalLung InjuryRespiratory Function TestsBronchoalveolar Lavage FluidCarcinoma, Non-Small-Cell LungIdiopathic Pulmonary FibrosisTomography, X-Ray ComputedCystic FibrosisExtracellular FluidSensitivity and SpecificityAlveolitis, Extrinsic AllergicPulmonary AlveoliRetrospective StudiesAcute Lung InjuryFarmer's LungIdiopathic Interstitial PneumoniasEarly DiagnosisDelayed DiagnosisPulmonary Disease, Chronic ObstructiveBiopsyVital CapacityChronic DiseaseLung Volume MeasurementsPneumoniaRadiography, ThoracicPrenatal DiagnosisPulmonary EmphysemaDermatomyositisForced Expiratory VolumeSpirometryBronchoalveolar LavageTotal Lung CapacityInfant, NewbornFibrosisExtracellular SpaceScleroderma, SystemicTreatment OutcomeImmunohistochemistryBronchopulmonary DysplasiaBronchiectasisPrognosisTime FactorsSmokingPulmonary Surfactant-Associated Protein CSeverity of Illness IndexRisk FactorsBronchiBiological MarkersSarcoidosisSarcoidosis, PulmonaryRespiratory MucosaPulmonary Diffusing CapacityBronchoscopyDiagnosisProspective StudiesReproducibility of ResultsFatal OutcomeFollow-Up StudiesPolymyositisCase-Control StudiesRespiratory Distress Syndrome, NewbornKidneyDisease ProgressionPredictive Value of TestsMacrophages, AlveolarDyspneaConnective Tissue DiseasesRespiration, ArtificialLung Diseases, FungalAsthmaCollagen DiseasesMice, Inbred C57BLAcute DiseasePulmonary EdemaDiagnostic ErrorsBronchiolitis ObliteransInfant, Premature, DiseasesSputumAdenocarcinomaInfant, PrematurePneumoconiosisLung AbscessPulmonary SurfactantsRNA, MessengerHypertension, PulmonaryCohort StudiesAdministration, InhalationExtravascular Lung WaterPregnancyMicrodialysisDiagnosis, Computer-AssistedFibroblasts