Sarcoidosis, PulmonarySarcoidosisBronchoalveolar Lavage FluidBronchoalveolar LavageLung DiseasesLungRespiratory Function TestsGranulomaTherapeutic IrrigationBronchoscopyCase-Control StudiesGranuloma, Respiratory TractCardiomyopathiesPulmonary FibrosisMacrophages, AlveolarPulmonary AlveoliBiological MarkersEpithelioid CellsCD4-Positive T-LymphocytesPeptidyl-Dipeptidase ACD4-CD8 RatioAdrenal Cortex HormonesRadiography, ThoracicLeukocyte CountBronchiCell CountPneumoniaLymphatic DiseasesPrednisoloneAlveolitis, Extrinsic AllergicBiopsy