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 AlveoliDyspneaTotal Lung CapacityPulmonary Surfactant-Associated Protein BBiopsyIdiopathic Interstitial PneumoniasRetrospective StudiesCarcinoma, Non-Small-Cell LungLung InjuryBronchiolitisLung Volume MeasurementsMediastinal EmphysemaSpirometryAutoantibodiesCryptogenic Organizing PneumoniaSeverity of Illness IndexSmokingHypertension, PulmonaryDisease ProgressionChronic DiseaseForced Expiratory VolumePneumoniaPulmonary Disease, Chronic ObstructiveBiological MarkersMixed Connective Tissue DiseaseBronchoscopyMacrophages, AlveolarBronchiolitis ObliteransCystic FibrosisHistiocytosis, Langerhans-CellLactate DehydrogenasesPneumoconiosisPrognosisScleroderma, DiffuseHermanski-Pudlak SyndromeTreatment OutcomeQuinazolinesMucin-1AsbestosisMycoplasmatalesPulmonary Gas ExchangePulmonary EmphysemaAcute Lung InjuryPulmonary EosinophiliaBleomycinMeningeal CarcinomatosisImmunosuppressive AgentsPulmonary Alveolar ProteinosisFarmer's LungPulmonary SurfactantsPulmonary Surfactant-Associated Protein DBirt-Hogg-Dube SyndromePulmonary MedicineRespiratory InsufficiencyAnti-Inflammatory AgentsCase-Control StudiesCystitis, InterstitialFatal OutcomeBronchiThoracic Surgery, Video-AssistedLymphangioleiomyomatosisPleural DiseasesPrednisoloneArthritis, RheumatoidTechnetium Tc 99m PentetateNew MexicoInterstitial Cells of CajalAntibodies, AntinuclearSensitivity and SpecificityHydroxychloroquineEsophageal pH MonitoringOxygenJapanRadiographic Image Interpretation, Computer-Assisted