Pulmonary EmphysemaEmphysemaSubcutaneous EmphysemaLungMediastinal EmphysemaLung DiseasesLung Neoplasmsalpha 1-Antitrypsin DeficiencyPancreatic ElastaseLung InjuryLung Volume MeasurementsLung TransplantationPneumonectomyPulmonary Disease, Chronic ObstructiveRespiratory Function TestsTotal Lung CapacityCarcinoma, Non-Small-Cell LungPulmonary AlveoliTomography, X-Ray ComputedSmokingSmokeForced Expiratory VolumeMatrix Metalloproteinase 12Acute Lung Injuryalpha 1-AntitrypsinPulmonary FibrosisBronchoalveolar Lavage FluidHeliumPulmonary Diffusing CapacityVital CapacityLung Diseases, InterstitialResidual VolumeSpirometryBronchitisAirway ObstructionLung Diseases, ObstructiveRadiography, ThoracicElastinBronchitis, ChronicPneumoniaPulmonary Heart DiseaseBronchoscopyRespiratory MechanicsBronchographyMice, Inbred C57BLBronchiMacrophages, AlveolarDyspneaLung ComplianceCoal MiningBronchoalveolar LavageSeverity of Illness IndexExtravascular Lung WaterFunctional Residual CapacityRespiratory MucosaLeukocyte ElastasePneumoconiosisSmall Cell Lung CarcinomaRadiographic Image Interpretation, Computer-AssistedPulmonary Surfactant-Associated Protein DDiaphragmPulmonary Gas ExchangePulmonary SurfactantsCarcinoma, Small CellTobaccoLung AbscessAerosolsPulmonary CirculationDesmosinePulmonary EdemaAdenocarcinomaPulmonary VentilationPhenotypeVentilator-Induced Lung InjurySilicosisAirway RemodelingPneumopericardiumNeutrophilsMice, KnockoutAdministration, InhalationIdiopathic Pulmonary FibrosisLung, HyperlucentExercise ToleranceDisease Models, AnimalAsthmaInflammationImmunohistochemistryBronchial DiseasesCase-Control StudiesRisk FactorsRNA, MessengerFarmer's LungSpiritualismOxygen Inhalation TherapyThoracoscopyTreatment OutcomeSerpin E2PneumocytesXenon IsotopesRespiration, Artificial