Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Sternotomy wires and mediastinal clips are unchanged . Small right pleural effusion and tiny left pleural effusion , slightly increased from prior study . The lungs are hyperinflated . No evidence of pulmonary edema . No focal consolidation . No pneumothorax . Mediastinal and hilar contours are normal .
    OUTPUT:
    
Small to moderate bilateral pleural effusions , increased . No evidence of edema .