Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Sternotomy wires appear intact and appropriately aligned . Patchy opacification at the bases bilaterally likely reflect atelectasis . No focal consolidations . No pulmonary edema . Stable appearance of the cardiomediastinal silhouette with calcifications of the aortic knob . Minimal bilateral pleural effusions . No pneumothorax .
    OUTPUT:
    
1 . Patchy opacification at the bases bilaterally , likely reflecting atelectasis . 2 . Minimal bilateral pleural effusions .