Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Midline sternotomy wires and mediastinal clips are again noted , as well as cervical fusion hardware . There is interval mild increase in pulmonary edema . Small bilateral pleural effusions persist . There is left basilar opacity , which is likely indicative of mild left lower lobe atelectasis . No pneumothorax . Cardiomediastinal silhouette is stable . Bony structures are intact .
    OUTPUT:
    
Small bilateral effusions , increase in pulmonary interstitial edema from prior exam .