Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Blunting of the lateral and posterior costophrenic angles suggests small pleural effusions . The lungs are clear of consolidation or overt pulmonary edema . The cardiomediastinal silhouette is within normal limits for technique . Median sternotomy wires and mediastinal clips are again noted . Irregular contour of the ribs on the right suggests prior healed fractures . There is also an old right mid clavicular fracture .
    OUTPUT:
    
Small bilateral pleural effusions .