Lung Diseases, InterstitialLung DiseasesLungPulmonary FibrosisDermatomyositisIdiopathic Pulmonary FibrosisScleroderma, SystemicAlveolitis, Extrinsic AllergicPolymyositisRespiratory Function TestsBronchoalveolar Lavage FluidSarcoidosis, PulmonaryPulmonary Surfactant-Associated Protein CConnective Tissue DiseasesLung Diseases, ObstructiveLung NeoplasmsTomography, X-Ray ComputedHistidine-tRNA LigaseCollagen DiseasesSarcoidosisBronchoalveolar LavagePulmonary Diffusing CapacityMyositisVital CapacityLung TransplantationRadiography, ThoracicPulmonary AlveoliEndemic DiseasesDyspneaTotal Lung CapacityPulmonary Surfactant-Associated Protein BBiopsyRetrospective StudiesIdiopathic Interstitial PneumoniasCarcinoma, Non-Small-Cell LungLung InjuryBronchiolitisLung Volume MeasurementsMediastinal EmphysemaAutoantibodiesSpirometrySeverity of Illness IndexCryptogenic Organizing PneumoniaSmokingHypertension, PulmonaryDisease ProgressionChronic DiseaseForced Expiratory VolumePneumoniaBiological MarkersPulmonary Disease, Chronic ObstructiveMixed Connective Tissue DiseaseBronchoscopyMacrophages, AlveolarBronchiolitis ObliteransCystic FibrosisHistiocytosis, Langerhans-CellLactate DehydrogenasesTreatment OutcomePrognosisPneumoconiosisScleroderma, DiffuseHermanski-Pudlak SyndromeQuinazolinesMucin-1AsbestosisMycoplasmatalesPulmonary Gas ExchangePulmonary EmphysemaAcute Lung InjuryPulmonary EosinophiliaBleomycinImmunosuppressive AgentsMeningeal CarcinomatosisPulmonary Alveolar ProteinosisFarmer's LungPulmonary SurfactantsPulmonary Surfactant-Associated Protein DBirt-Hogg-Dube SyndromePulmonary MedicineRespiratory InsufficiencyCase-Control StudiesAnti-Inflammatory AgentsFatal OutcomeCystitis, InterstitialBronchiThoracic Surgery, Video-AssistedLymphangioleiomyomatosisSensitivity and SpecificityPleural DiseasesPrednisoloneArthritis, RheumatoidTechnetium Tc 99m PentetateNew MexicoInterstitial Cells of CajalAntibodies, AntinuclearJapanHydroxychloroquineEsophageal pH MonitoringRisk Factors