LymphangioleiomyomatosisLung Diseases, InterstitialPulmonary FibrosisLung DiseasesLungDermatomyositisIdiopathic Pulmonary FibrosisScleroderma, SystemicPolymyositisAlveolitis, Extrinsic AllergicTumor Suppressor ProteinsSarcoidosis, PulmonaryRespiratory Function TestsPulmonary Surfactant-Associated Protein CBronchoalveolar Lavage FluidTOR Serine-Threonine KinasesConnective Tissue DiseasesHistidine-tRNA LigaseCollagen DiseasesSarcoidosisTomography, X-Ray ComputedMyositisPulmonary Diffusing CapacityBronchoalveolar LavageVital CapacityRadiography, ThoracicPulmonary AlveoliLung NeoplasmsDyspneaBiopsyPulmonary Surfactant-Associated Protein BIdiopathic Interstitial PneumoniasLung TransplantationTotal Lung CapacityRetrospective StudiesBronchiolitisLung Diseases, ObstructiveMediastinal EmphysemaAutoantibodiesCryptogenic Organizing PneumoniaSeverity of Illness IndexDisease ProgressionMixed Connective Tissue DiseaseLung Volume Measurements