Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation or interstitial abnormality . There is no hilar or mediastinal lymphadenopathy . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
No radiographic evidence of pulmonary sarcoid .