Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are grossly clear . There is no focal consolidation . Blunting of the posterior costophrenic angles suggests small bilateral pleural effusions . Cardiac silhouette is mildly enlarged . Median sternotomy wires are intact . No acute osseous abnormalities .
    OUTPUT:
    
Trace bilateral pleural effusions . Otherwise , no acute cardiopulmonary process .