Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low but the lungs are grossly clear . Mediastinal widening and bilateral hilar prominence due to known lymphadenopathy is unchanged . The cardiac silhouette is stable . There is no pneumothorax .
    OUTPUT:
    
No pneumothorax . Clear lungs . Stable mediastinal and bilateral hilar lymphadenopathy .